Difference between revisions of "Geogebra/C3/Mensuration/English-timed"

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{| border=1
 
{| border=1
−
|Time
+
|'''Time'''
−
|Narration
+
|'''Narration'''
  
 
|-
 
|-
−
|0:00
+
|00:00
 
|Hello everybody
 
|Hello everybody
 
Welcome to this tutorial on Mensuration in Geogebra.  
 
Welcome to this tutorial on Mensuration in Geogebra.  
  
 
|-
 
|-
−
|0:06
+
|00:06
 
|In this tutorial, we will learn to find
 
|In this tutorial, we will learn to find
  
 
|-
 
|-
−
|0:09
+
|00:09
 
|Area and perimeter of rhombus  
 
|Area and perimeter of rhombus  
 
   
 
   
 
|-
 
|-
−
|0:12
+
|00:12
 
|Surface area of sphere and cone  
 
|Surface area of sphere and cone  
  
 
|-
 
|-
−
|0:15
+
|00:15
 
|Volume of sphere and cone
 
|Volume of sphere and cone
  
 
|-
 
|-
−
|0:20
+
|00:20
 
|We assume that you have the basic working knowledge of Geogebra.
 
|We assume that you have the basic working knowledge of Geogebra.
  
 
|-
 
|-
−
|0:24
+
|00:24
 
|For Relevant tutorials on Geogebra,
 
|For Relevant tutorials on Geogebra,
  
 
|-
 
|-
−
|0:27
+
|00:27
 
|Please visit our website
 
|Please visit our website
  
 
|-
 
|-
−
|0:31
+
|00:31
 
|To record this tutorial I am using
 
|To record this tutorial I am using
  
 
|-
 
|-
−
|0:33
+
|00:33
 
|Ubuntu Linux OS Version 11.10
 
|Ubuntu Linux OS Version 11.10
  
 
|-
 
|-
−
|0:38
+
|00:38
 
|Geogebra Version 3.2.47.0  
 
|Geogebra Version 3.2.47.0  
  
 
|-
 
|-
−
|0:42
+
|00:42
 
|We will use the following Geogebra tools
 
|We will use the following Geogebra tools
  
 
|-
 
|-
−
|0:46
+
|00:46
 
|Segment between two points  
 
|Segment between two points  
  
 
|-
 
|-
−
|0:48
+
|00:48
 
|Circle with center and radius  
 
|Circle with center and radius  
  
 
|-
 
|-
−
|0:51
+
|00:51
 
|Ellipse  
 
|Ellipse  
  
 
|-
 
|-
−
|0:52
+
|00:52
 
|Polygon  
 
|Polygon  
  
 
|-
 
|-
−
|0:54
+
|00:54
 
|New point and  
 
|New point and  
  
 
|-
 
|-
−
|0:56
+
|00:56
 
|Insert text  
 
|Insert text  
  
 
|-
 
|-
−
|0:57
+
|00:57
 
|Let's open a new Geogebra window.
 
|Let's open a new Geogebra window.
  
 
|-
 
|-
−
|1:00
+
|01:00
 
|Click on Dash home and Media Apps. Under Type, choose Education and Geogebra  
 
|Click on Dash home and Media Apps. Under Type, choose Education and Geogebra  
  
 
|-
 
|-
−
|1:13
+
|01:13
 
|Let's find the area of a rhombus.
 
|Let's find the area of a rhombus.
  
 
|-
 
|-
−
|1:15
+
|01:15
 
|Let's use the file quadrilateral.ggb of the previous tutorial  
 
|Let's use the file quadrilateral.ggb of the previous tutorial  
  
 
|-
 
|-
−
|1:20
+
|01:20
 
|Click on File, Open click on quadrilateral.ggb
 
|Click on File, Open click on quadrilateral.ggb
  
 
|-
 
|-
−
|1:27
+
|01:27
 
|click on 'Open'  
 
|click on 'Open'  
  
 
|-
 
|-
−
|1:29
+
|01:29
 
|Area of the Rhombus =1/2 * product of diagonals  
 
|Area of the Rhombus =1/2 * product of diagonals  
  
 
|-
 
|-
−
|1:34
+
|01:34
 
|To demonstrate it  
 
|To demonstrate it  
  
 
|-
 
|-
−
|1:36
+
|01:36
 
|Click on the “Insert text” tool  
 
|Click on the “Insert text” tool  
  
 
|-
 
|-
−
|1:39
+
|01:39
 
|Click on the drawing pad  
 
|Click on the drawing pad  
 
A text box opens
 
A text box opens
  
 
|-
 
|-
−
|1:44
+
|01:44
 
|“Area of the rhombus =”+(1/2 g f)  
 
|“Area of the rhombus =”+(1/2 g f)  
  
Line 134: Line 134:
  
 
|-
 
|-
−
|2:09
+
|02:09
 
|Click Ok.
 
|Click Ok.
  
 
|-
 
|-
−
|2:11
+
|02:11
 
|Area of rhombus is displayed here on the drawing pad.  
 
|Area of rhombus is displayed here on the drawing pad.  
  
 
|-
 
|-
−
|2:14
+
|02:14
 
|Next, let's find Perimeter
 
|Next, let's find Perimeter
  
 
|-
 
|-
−
|2:17
+
|02:17
 
|Click on the “Insert text” tool  
 
|Click on the “Insert text” tool  
  
 
|-
 
|-
−
|2:19
+
|02:19
 
|Click on the drawing pad.  
 
|Click on the drawing pad.  
 
A text box opens.
 
A text box opens.
  
 
|-
 
|-
−
|2:22
+
|02:22
 
|Open the double quotes(“) type
 
|Open the double quotes(“) type
  
Line 167: Line 167:
  
 
|-
 
|-
−
|2:44
+
|02:44
 
|Click Ok.
 
|Click Ok.
  
 
|-
 
|-
−
|2:46
+
|02:46
 
|Perimeter of rhombus is displayed here on the drawing pad.  
 
|Perimeter of rhombus is displayed here on the drawing pad.  
  
 
|-
 
|-
−
|2:50
+
|02:50
 
|Let's now save the file.
 
|Let's now save the file.
  
 
|-
 
|-
−
|2:53
+
|02:53
 
|Click on “File” and "Save As".
 
|Click on “File” and "Save As".
  
 
|-
 
|-
−
|2:55
+
|02:55
 
|I will type the filename as "rhombus-area-perimeter"
 
|I will type the filename as "rhombus-area-perimeter"
  
 
|-
 
|-
−
|3:12
+
|03:12
 
|Click on “Save”.  
 
|Click on “Save”.  
  
 
|-
 
|-
−
|3:17
+
|03:17
 
|As an assignment i would like you  
 
|As an assignment i would like you  
 
To find area and perimeter of trapezium,
 
To find area and perimeter of trapezium,
  
 
|-
 
|-
−
|3:22
+
|03:22
 
|use output of file “cons-trapezium.ggb”
 
|use output of file “cons-trapezium.ggb”
  
 
|-
 
|-
−
|3:27
+
|03:27
 
|Rename object 'g' as 'b'
 
|Rename object 'g' as 'b'
  
 
|-
 
|-
−
|3:30
+
|03:30
 
|Formula for area = (half sum of parallel sides) * (vertical height) = (a+b)/2* h
 
|Formula for area = (half sum of parallel sides) * (vertical height) = (a+b)/2* h
  
 
|-
 
|-
−
|3:40
+
|03:40
 
|Formula for perimeter =(sum of the sides) =(a+b+c+d)  
 
|Formula for perimeter =(sum of the sides) =(a+b+c+d)  
  
 
|-
 
|-
−
|3:49
+
|03:49
 
|The output of the assignment should look like this.  
 
|The output of the assignment should look like this.  
  
 
|-
 
|-
−
|3:54
+
|03:54
 
|Let's open a new Geogebra window to draw a sphere
 
|Let's open a new Geogebra window to draw a sphere
  
 
|-
 
|-
−
|3:58
+
|03:58
 
|Click on “File” , “New”  
 
|Click on “File” , “New”  
  
 
|-
 
|-
−
|4:01
+
|04:01
 
|Click on the “Circle with center and radius” tool from the toolbar  
 
|Click on the “Circle with center and radius” tool from the toolbar  
  
 
|-
 
|-
−
|4:06
+
|04:06
 
|Click on the drawing pad point 'A'  
 
|Click on the drawing pad point 'A'  
 
A text box opens.
 
A text box opens.
  
 
|-
 
|-
−
|4:11
+
|04:11
 
|enter value '2' for radius.  
 
|enter value '2' for radius.  
  
 
|-
 
|-
−
|4:13
+
|04:13
 
|Click OK
 
|Click OK
  
 
|-
 
|-
−
|4:15
+
|04:15
 
|A circle with center 'A' and radius '2cm' is drawn.  
 
|A circle with center 'A' and radius '2cm' is drawn.  
  
 
|-
 
|-
−
|4:19
+
|04:19
 
|Select “New point” tool from tool bar mark a point 'B' on the circumference of the circle  
 
|Select “New point” tool from tool bar mark a point 'B' on the circumference of the circle  
  
 
|-
 
|-
−
|4:26
+
|04:26
 
|Select “Segment between two points” tool
 
|Select “Segment between two points” tool
  
 
|-
 
|-
−
|4:29
+
|04:29
 
|Join points 'A' and 'B' as radius of the circle  
 
|Join points 'A' and 'B' as radius of the circle  
  
 
|-
 
|-
−
|4:34
+
|04:34
 
|Let's draw an ellipse “CDE” in the horizontal direction,
 
|Let's draw an ellipse “CDE” in the horizontal direction,
 
to touch the circumference of the circle.  
 
to touch the circumference of the circle.  
  
 
|-
 
|-
−
|4:42
+
|04:42
 
|Click on “Ellipse” tool  
 
|Click on “Ellipse” tool  
  
 
|-
 
|-
−
|4:45
+
|04:45
 
|Mark points 'C' and 'D' diagonally opposite to each other on the circumference
 
|Mark points 'C' and 'D' diagonally opposite to each other on the circumference
 
and a third point 'E' inside the circle
 
and a third point 'E' inside the circle
  
 
|-
 
|-
−
|4:56
+
|04:56
 
|Here a sphere is drawn  
 
|Here a sphere is drawn  
  
 
|-
 
|-
−
|4:59
+
|04:59
 
|Let's now find the Surface area of the sphere
 
|Let's now find the Surface area of the sphere
  
 
|-
 
|-
−
|5:03
+
|05:03
 
|Click on “Insert text” tool  
 
|Click on “Insert text” tool  
  
 
|-
 
|-
−
|5:05
+
|05:05
 
|Click on the drawing pad.  
 
|Click on the drawing pad.  
 
A text box opens
 
A text box opens
  
 
|-
 
|-
−
|5:08
+
|05:08
 
|Please find the special characters in the drop down list in the text box  
 
|Please find the special characters in the drop down list in the text box  
 
Scroll down to find π (pi)  
 
Scroll down to find π (pi)  
  
 
|-
 
|-
−
|5:17
+
|05:17
 
|open double quote type
 
|open double quote type
  
Line 307: Line 307:
  
 
|-
 
|-
−
|5:45
+
|05:45
 
|Click OK
 
|Click OK
  
 
|-
 
|-
−
|5:47
+
|05:47
 
|surface area of the sphere is displayed here
 
|surface area of the sphere is displayed here
  
 
|-
 
|-
−
|5:52
+
|05:52
 
|let me click on it and drag it place it below  
 
|let me click on it and drag it place it below  
  
 
|-
 
|-
−
|5:56
+
|05:56
 
|Next let's find Volume  
 
|Next let's find Volume  
  
 
|-
 
|-
−
|5:59
+
|05:59
 
|Click on the 'Insert Text' tool  
 
|Click on the 'Insert Text' tool  
  
 
|-
 
|-
−
|6:00
+
|06:00
 
|click on the drawing pad
 
|click on the drawing pad
 
Text box opens  
 
Text box opens  
  
 
|-
 
|-
−
|6:03
+
|06:03
 
|open double quote type
 
|open double quote type
  
Line 344: Line 344:
  
 
|-
 
|-
−
|6:31
+
|06:31
 
|click OK
 
|click OK
  
 
|-
 
|-
−
|6:34
+
|06:34
 
|Volume of the sphere is displayed here
 
|Volume of the sphere is displayed here
  
 
|-
 
|-
−
|6:36
+
|06:36
 
|let me click on it and drag it to place it below  
 
|let me click on it and drag it to place it below  
  
 
|-
 
|-
−
|6:40
+
|06:40
 
|Next let's draw a cone
 
|Next let's draw a cone
  
 
|-
 
|-
−
|6:43
+
|06:43
 
|Click on “Polygon” tool
 
|Click on “Polygon” tool
  
 
|-
 
|-
−
|6:45
+
|06:45
 
|Click on points 'C' , 'D' and an external point 'F'
 
|Click on points 'C' , 'D' and an external point 'F'
 
and 'C' once again  
 
and 'C' once again  
  
 
|-
 
|-
−
|6:53
+
|06:53
 
|Select “Segments between two points” tool
 
|Select “Segments between two points” tool
 
join points 'F' and 'A'
 
join points 'F' and 'A'
 
    
 
    
 
|-
 
|-
−
|6:59
+
|06:59
 
|We get height of the cone.  
 
|We get height of the cone.  
  
  
 
|-
 
|-
−
|7:03
+
|07:03
 
|Let me rename the object 'b' as 'h' which denotes height of the cone
 
|Let me rename the object 'b' as 'h' which denotes height of the cone
  
 
|-
 
|-
−
|7:08
+
|07:08
 
|Right click on object 'b'
 
|Right click on object 'b'
  
 
|-
 
|-
−
|7:09
+
|07:09
 
|Click on “Rename”
 
|Click on “Rename”
  
 
|-
 
|-
−
|7:11
+
|07:11
 
|Replace 'b' with 'h' click OK  
 
|Replace 'b' with 'h' click OK  
  
 
|-
 
|-
−
|7:15
+
|07:15
 
|Let me also
 
|Let me also
 
Rename the object 'c_1' as 's' which denotes slant height of cone.
 
Rename the object 'c_1' as 's' which denotes slant height of cone.
  
 
|-
 
|-
−
|7:21
+
|07:21
 
|Right click on object 'c_1'
 
|Right click on object 'c_1'
  
 
|-
 
|-
−
|7:23
+
|07:23
 
|click on “Rename”
 
|click on “Rename”
  
 
|-
 
|-
−
|7:24
+
|07:24
 
|Replace 'c_1' with 's'
 
|Replace 'c_1' with 's'
  
 
|-
 
|-
−
|7:26
+
|07:26
 
|Click OK  
 
|Click OK  
  
 
|-
 
|-
−
|7:28
+
|07:28
 
|Let's find now surface area and volume of the cone,
 
|Let's find now surface area and volume of the cone,
  
 
|-
 
|-
−
|7:33
+
|07:33
 
|We can use either the Insert text tool from the tool bar or we can use the input bar.
 
|We can use either the Insert text tool from the tool bar or we can use the input bar.
 
I will use the “Input bar”  
 
I will use the “Input bar”  
  
 
|-
 
|-
−
|7:40
+
|07:40
 
|Please find the special characters in the drop down list of the “Input bar”
 
|Please find the special characters in the drop down list of the “Input bar”
  
 
|-
 
|-
−
|7:44
+
|07:44
 
|Scroll down to find “π”  
 
|Scroll down to find “π”  
  
 
|-
 
|-
−
|7:48
+
|07:48
 
|Type in the input bar
 
|Type in the input bar
 
   
 
   
Line 449: Line 449:
  
 
|-
 
|-
−
|8:15
+
|08:15
 
|Surface Area of the cone is displayed in the Algebra view
 
|Surface Area of the cone is displayed in the Algebra view
  
 
|-
 
|-
−
|8:20
+
|08:20
 
|Please note when we use the Input bar
 
|Please note when we use the Input bar
 
answer appears in the Algebra view  
 
answer appears in the Algebra view  
  
 
|-
 
|-
−
|8:26
+
|08:26
 
|Let's find Volume  
 
|Let's find Volume  
  
 
|-
 
|-
−
|8:29
+
|08:29
 
|Volume =(1/3 π a² h)  
 
|Volume =(1/3 π a² h)  
  
Line 474: Line 474:
  
 
|-
 
|-
−
|8:50
+
|08:50
 
|Volume of the cone is displayed here in the Algebra view  
 
|Volume of the cone is displayed here in the Algebra view  
  
 
|-
 
|-
−
|8:55
+
|08:55
 
|Lets now save the file. Click on file "Save As".
 
|Lets now save the file. Click on file "Save As".
 
I will type the file name as "Sphere-cone"
 
I will type the file name as "Sphere-cone"
  
 
|-
 
|-
−
|9:08
+
|09:08
 
|Click on “Save”.
 
|Click on “Save”.
  
 
|-
 
|-
−
|9:10
+
|09:10
 
|with this we come to the end of this tutorial  
 
|with this we come to the end of this tutorial  
  
 
|-
 
|-
−
|9:14
+
|09:14
 
|Let us summarize
 
|Let us summarize
  
 
|-
 
|-
−
|9:18
+
|09:18
 
|In this tutorial we have learnt to find
 
|In this tutorial we have learnt to find
  
 
|-
 
|-
−
|9:20
+
|09:20
 
|Area and perimeter of rhombus  
 
|Area and perimeter of rhombus  
  
 
|-
 
|-
−
|9:24
+
|09:24
 
|Surface Area of sphere and cone  
 
|Surface Area of sphere and cone  
  
 
|-
 
|-
−
|9:27
+
|09:27
 
|Volume of sphere and cone  
 
|Volume of sphere and cone  
  
 
|-
 
|-
−
|9:30
+
|09:30
 
|We have also learnt to draw sphere and cone  
 
|We have also learnt to draw sphere and cone  
  
 
|-
 
|-
−
|9:36
+
|09:36
 
|As an assignment I would like you to find Surface area and volume of cylinder
 
|As an assignment I would like you to find Surface area and volume of cylinder
  
 
|-
 
|-
−
|9:43
+
|09:43
 
|Draw 2 ellipses of same sized one below the other
 
|Draw 2 ellipses of same sized one below the other
  
 
|-
 
|-
−
|9:47
+
|09:47
 
|Connect edges of ellipses
 
|Connect edges of ellipses
  
 
|-
 
|-
−
|9:50
+
|09:50
 
|Use “center” tool, find center of one ellipse
 
|Use “center” tool, find center of one ellipse
  
 
|-
 
|-
−
|9:54
+
|09:54
 
|Join center and edge.
 
|Join center and edge.
  
 
|-
 
|-
−
|9:56
+
|09:56
 
|Rename object 'b' as 'h' and 'e' as 'r'
 
|Rename object 'b' as 'h' and 'e' as 'r'
  

Revision as of 12:17, 9 July 2014

Time Narration
00:00 Hello everybody

Welcome to this tutorial on Mensuration in Geogebra.

00:06 In this tutorial, we will learn to find
00:09 Area and perimeter of rhombus
00:12 Surface area of sphere and cone
00:15 Volume of sphere and cone
00:20 We assume that you have the basic working knowledge of Geogebra.
00:24 For Relevant tutorials on Geogebra,
00:27 Please visit our website
00:31 To record this tutorial I am using
00:33 Ubuntu Linux OS Version 11.10
00:38 Geogebra Version 3.2.47.0
00:42 We will use the following Geogebra tools
00:46 Segment between two points
00:48 Circle with center and radius
00:51 Ellipse
00:52 Polygon
00:54 New point and
00:56 Insert text
00:57 Let's open a new Geogebra window.
01:00 Click on Dash home and Media Apps. Under Type, choose Education and Geogebra
01:13 Let's find the area of a rhombus.
01:15 Let's use the file quadrilateral.ggb of the previous tutorial
01:20 Click on File, Open click on quadrilateral.ggb
01:27 click on 'Open'
01:29 Area of the Rhombus =1/2 * product of diagonals
01:34 To demonstrate it
01:36 Click on the “Insert text” tool
01:39 Click on the drawing pad

A text box opens

01:44 “Area of the rhombus =”+(1/2 g f)

Open the double quotes(“) type

Area of the rhombus = close the double quotes

'+' for concatenation open the brackets type

'1/2' space 'f' space 'g'

close the bracket

'f' and 'g' are the diagonals of the rhombus

02:09 Click Ok.
02:11 Area of rhombus is displayed here on the drawing pad.
02:14 Next, let's find Perimeter
02:17 Click on the “Insert text” tool
02:19 Click on the drawing pad.

A text box opens.

02:22 Open the double quotes(“) type

Perimeter of the rhombus =”+(4 a)

close double quotes '+' open the brackets

'4' space 'a' close the brackets

'a' is the side of the rhombus

02:44 Click Ok.
02:46 Perimeter of rhombus is displayed here on the drawing pad.
02:50 Let's now save the file.
02:53 Click on “File” and "Save As".
02:55 I will type the filename as "rhombus-area-perimeter"
03:12 Click on “Save”.
03:17 As an assignment i would like you

To find area and perimeter of trapezium,

03:22 use output of file “cons-trapezium.ggb”
03:27 Rename object 'g' as 'b'
03:30 Formula for area = (half sum of parallel sides) * (vertical height) = (a+b)/2* h
03:40 Formula for perimeter =(sum of the sides) =(a+b+c+d)
03:49 The output of the assignment should look like this.
03:54 Let's open a new Geogebra window to draw a sphere
03:58 Click on “File” , “New”
04:01 Click on the “Circle with center and radius” tool from the toolbar
04:06 Click on the drawing pad point 'A'

A text box opens.

04:11 enter value '2' for radius.
04:13 Click OK
04:15 A circle with center 'A' and radius '2cm' is drawn.
04:19 Select “New point” tool from tool bar mark a point 'B' on the circumference of the circle
04:26 Select “Segment between two points” tool
04:29 Join points 'A' and 'B' as radius of the circle
04:34 Let's draw an ellipse “CDE” in the horizontal direction,

to touch the circumference of the circle.

04:42 Click on “Ellipse” tool
04:45 Mark points 'C' and 'D' diagonally opposite to each other on the circumference

and a third point 'E' inside the circle

04:56 Here a sphere is drawn
04:59 Let's now find the Surface area of the sphere
05:03 Click on “Insert text” tool
05:05 Click on the drawing pad.

A text box opens

05:08 Please find the special characters in the drop down list in the text box

Scroll down to find π (pi)

05:17 open double quote type

“ Surface area of the sphere =” +( 4 π a2)

close double quote 'plus' open the bracket '4' space

select 'π' from the list space

'a' select 'square' from the list

close the bracket

05:45 Click OK
05:47 surface area of the sphere is displayed here
05:52 let me click on it and drag it place it below
05:56 Next let's find Volume
05:59 Click on the 'Insert Text' tool
06:00 click on the drawing pad

Text box opens

06:03 open double quote type

“ Volume of the sphere =” +(4/3 π a^3)

close double quote 'plus' open the bracket '4/3' space

select 'π' from the list space 'a'

select 'cube' from the list close the bracket

06:31 click OK
06:34 Volume of the sphere is displayed here
06:36 let me click on it and drag it to place it below
06:40 Next let's draw a cone
06:43 Click on “Polygon” tool
06:45 Click on points 'C' , 'D' and an external point 'F'

and 'C' once again

06:53 Select “Segments between two points” tool

join points 'F' and 'A'

06:59 We get height of the cone.


07:03 Let me rename the object 'b' as 'h' which denotes height of the cone
07:08 Right click on object 'b'
07:09 Click on “Rename”
07:11 Replace 'b' with 'h' click OK
07:15 Let me also

Rename the object 'c_1' as 's' which denotes slant height of cone.

07:21 Right click on object 'c_1'
07:23 click on “Rename”
07:24 Replace 'c_1' with 's'
07:26 Click OK
07:28 Let's find now surface area and volume of the cone,
07:33 We can use either the Insert text tool from the tool bar or we can use the input bar.

I will use the “Input bar”

07:40 Please find the special characters in the drop down list of the “Input bar”
07:44 Scroll down to find “π”
07:48 Type in the input bar

Area = (π a s + π a²)

Surfacearea = open the bracket

Select 'π' from the list space 'a' space 's'

plus select 'π' from the list space 'a'

Select 'square' from list close the bracket

press enter

08:15 Surface Area of the cone is displayed in the Algebra view
08:20 Please note when we use the Input bar

answer appears in the Algebra view

08:26 Let's find Volume
08:29 Volume =(1/3 π a² h)

Volume =open bracket

'1/3' space select 'π' from the list space 'a'

Select 'square' from list space 'h' close the bracket

Press enter

08:50 Volume of the cone is displayed here in the Algebra view
08:55 Lets now save the file. Click on file "Save As".

I will type the file name as "Sphere-cone"

09:08 Click on “Save”.
09:10 with this we come to the end of this tutorial
09:14 Let us summarize
09:18 In this tutorial we have learnt to find
09:20 Area and perimeter of rhombus
09:24 Surface Area of sphere and cone
09:27 Volume of sphere and cone
09:30 We have also learnt to draw sphere and cone
09:36 As an assignment I would like you to find Surface area and volume of cylinder
09:43 Draw 2 ellipses of same sized one below the other
09:47 Connect edges of ellipses
09:50 Use “center” tool, find center of one ellipse
09:54 Join center and edge.
09:56 Rename object 'b' as 'h' and 'e' as 'r'
10:01 Surface area = 2 π r(r + h)
10:07 Volume = π r^2h
10:13 The output of the assignment should look like this.
10:19 Watch the video available at this URL
10:23 It summarises the Spoken Tutorial project
10:26 If you do not have good bandwidth, you can download and watch it
10:31 The Spoken Tutorial Project Team :
10:33 Conducts workshops using spoken tutorials
10:36 Gives certificates to those who pass an online test
10:40 For more details, please write to

contact@spoken-tutorial.org

10:48 Spoken Tutorial Project is a part of the Talk to a Teacher project
10:52 It is supported by the National Mission on Education through ICT, MHRD, Government of India
10:59 More information on this Mission is available at this link.
11:06 This is Madhuri Ganapathi from IIT Bombay signing off.

Thanks for joining

Contributors and Content Editors

Madhurig, Minal, PoojaMoolya, Pratik kamble, Sandhya.np14

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