Geogebra/C2/Understanding-Quadrilaterals-Properties/English-timed - Revision history

Madhurig at 07:53, 26 October 2016

2016-10-26T07:53:21Z

Sandhya.np14 at 16:47, 22 April 2015

2015-04-22T16:47:03Z

Sandhya.np14 at 15:59, 22 April 2015

2015-04-22T15:59:42Z

Sandhya.np14 at 09:56, 20 February 2015

2015-02-20T09:56:04Z

Sandhya.np14 at 09:35, 20 February 2015

2015-02-20T09:35:11Z

Sandhya.np14 at 09:32, 20 February 2015

2015-02-20T09:32:43Z

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Pratik kamble at 11:58, 2 September 2014

2014-09-02T11:58:10Z

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PoojaMoolya at 09:19, 11 August 2014

2014-08-11T09:19:00Z

Pratik kamble at 06:41, 9 July 2014

2014-07-09T06:41:13Z

Pratik kamble at 06:41, 9 July 2014

2014-07-09T06:41:02Z

@@ Line 47: / Line 47: @@
 |-
 ||01:00
-||* Circle with center through point
+|| Circle with center through point, Polygon, Angle, Parallel line, Segment between two points and Insert text.
-−
-* Polygon
-−
-* Angle
-−
-* Parallel line
-−
-* Segment between two points and
-−
-* Insert text.
 |-
@@ Line 224: / Line 214: @@
 |-
 ||07:15
-||We also learnt the properties of
+||We also learnt the properties of-
-−
-*  Simple quadrilateral and
-*  Quadrilateral with diagonals.
+Simple quadrilateral and Quadrilateral with diagonals.
 |-
 ||07:21

@@ Line 140: / Line 140: @@
 ||03:40
 ||Click on the point '''A''' as centre and then on point '''B'''.
-Select the '''New Point''' tool, from the toolbar. Click on the circumference as point '''c'''.
+Select the '''New Point''' tool, from the toolbar. Click on the circumference as point '''C'''.
 |-
 ||03:57

@@ Line 276: / Line 276: @@
 ||The Spoken Tutorial Project is a part of the Talk to a Teacher project.
 It is supported by National Mission on Education through ICT, MHRD, Government of India.
-More information on this Mission is available at this link:
+More information on this mission is available at this link:
 |-

@@ Line 106: / Line 106: @@
 |-
 ||02:16
-||Click on the points 'A', 'E', 'C', 'F' and 'A' once again.
+||Click on the points 'A', 'E', 'C', 'F' and 'A' once again. Here a quadrilateral is drawn.
-−
 Here a quadrilateral is drawn.
 |-
 ||02:32
@@ Line 126: / Line 124: @@
 |-
 ||03:08
-||Let's open a new Geogebra window,
+||Let's open a new Geogebra window, click on '''File''' >> '''New'''.
-−
 click on '''File''' >> '''New'''.
 |-
 ||03:16
@@ Line 134: / Line 130: @@
 |-
 ||03:23
-||Click on the drawing pad, point 'A' and then on 'B'.
+||Click on the drawing pad, point 'A' and then on 'B'.Segment '''AB''' is drawn.
-−
 Segment '''AB''' is drawn.
 |-
 ||03:30
-||Let's construct a circle with center '''A''' and which passes through point '''B'''.
+||Let's construct a circle with center '''A''' which passes through point '''B'''.
 |-
 ||03:36
@@ Line 146: / Line 140: @@
 ||03:40
 ||Click on the point '''A''' as centre and then on point '''B'''.
+Select the '''New Point''' tool, from the toolbar. Click on the circumference as point '''c'''.
 Select the '''New Point''' tool, from the toolbar.
-−
-click on the circumference as point '''c'''.
 |-
 ||03:57
-||Let us join 'A' and 'C'.
+||Let us join 'A' and 'C'. Select the '''Segment between Two Points''' tool
-−
 Select the '''Segment between Two Points''' tool
 |-
 ||04:03
@@ Line 162: / Line 151: @@
 |-
 ||04:13
-||To do this select the '''Parallel Line''' tool from the toolbar.
+||To do this, select the '''Parallel Line''' tool from the toolbar.
-Click on the point '''C'''
+Click on the point '''C''' and then on segment '''AB'''.
-−
 and then on segment '''AB'''.
 |-
 ||04:25
 ||We repeat the process for the point '''B'''.
-Click on the point '''B'''
+Click on the point '''B''' and then on segment '''AC'''.
-−
 and then on segment '''AC'''.
 |-
 ||04:33
-||Notice that the parallel line to segment '''AB'''
+||Notice that the parallel line to segment '''AB''' and parallel line to segment AC intersect at a point.Let's mark the point of intersection as 'D'.
-−
 and parallel line to segment AC intersect at a point.
-−
 Let's mark the point of intersection as 'D'.
 |-
 ||04:47
-||Next using the “Segment between Two Points” tool,
+||Next using the “Segment between Two Points” tool, let's connect the points 'A' 'D', 'B' 'C'.
-−
 let's connect the points
-−
 'A' 'D', 'B' 'C'
 |-
 ||05:01
-||We see that a Quadrilateral ABCD with diagonals AD and BC is drawn.
+||We see that a quadrilateral ABCD with diagonals AD and BC is drawn.
 |-
 ||05:09
@@ Line 198: / Line 175: @@
 |-
 ||05:20
-||Using the “Distance” tool,
+||Using the “Distance” tool, let's check whether the diagonals bisect each other.
-−
 let's check whether the diagonals bisect each other
 |-
 ||05:25
@@ Line 220: / Line 195: @@
 |-
 ||06:08
-||Let us now select the '''Move''' tool from the toolbar.
+||Let us now select the '''Move''' tool from the toolbar. Use the '''Move''' tool to move the point '''A'''.
-−
 Use the '''Move''' tool to move the point '''A'''.
 |-
 ||06:16
 ||Click on the 'Move' tool,
-place the mouse pointer on 'A' and drag it with the mouse.
+place the mouse pointer on 'A' and drag it with the mouse. Notice that the diagonals always bisect each other and are perpendicular bisectors.
-−
 Notice that the diagonals always bisect each other
-−
 and are perpendicular bisectors.
 |-
 ||06:35

@@ Line 308: / Line 308: @@
 It is supported by National Mission on Education through ICT, MHRD, Government of India.
 More information on this Mission is available at this link:
 |-
@@ Line 314: / Line 313: @@
 ||This is Madhuri Ganapathi from IIT Bombay, signing off.
 Thanks for joining.
 |-
 |}

@@ Line 89: / Line 89: @@
 Point 'A' as center.
 |-
-||01;38
+||01:38
 ||And then click again we get point 'B'.

@@ Line 2: / Line 2: @@
 | '''Time'''
 |'''Narration'''
 |-

@@ Line 1: / Line 1: @@
 {| border=1
-|| '''Time'''
+| '''Time'''
-|| '''Narration'''
+|'''Narration'''