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- 12:17, 3 December 2013 diff hist +142 Sector of a circle
- 16:19, 2 December 2013 diff hist -263 Sector of a circle →Concept #1 CIRCLE CENTRE
- 16:08, 2 December 2013 diff hist -1,420 Circles →Activity No # 1.The angle at the centre is double the angle at the circumference
- 15:34, 2 December 2013 diff hist +10,063 Circles →Activity No # 2. Angles in a circle.
- 15:27, 2 December 2013 diff hist -37,025 Circles
- 12:14, 2 December 2013 diff hist +2,204 Circles →Activity No # 1.The angle subtended by an arc at the centre is twice the angle subtended by the same arc at any point on the circumference of the circle
- 11:19, 28 November 2013 diff hist +8 N File:Concurrent lines in a triangle.mm MsUpload
- 14:28, 27 November 2013 diff hist 0 File:Parallelograms.mm Sudha uploaded a new version of "File:Parallelograms.mm": MsUpload
- 13:52, 27 November 2013 diff hist 0 File:Parallelograms.mm Sudha uploaded a new version of "File:Parallelograms.mm": MsUpload
- 13:47, 27 November 2013 diff hist 0 File:Parallelograms.mm Sudha uploaded a new version of "File:Parallelograms.mm": MsUpload
- 16:35, 25 November 2013 diff hist +3,064 Circles →Activity No # 1.The angle subtended by an arc at the centre is twice the angle subtended by the same arc at any point on the circumference of the circle
- 17:34, 21 November 2013 diff hist +5,544 Sector of a circle
- 17:01, 21 November 2013 diff hist +10,268 Circles →Activity No # 6.Angle in a minor segment is an obtuse angle whereas the angle in a major segment is an acute angle
- 16:41, 21 November 2013 diff hist +12 Circles
- 16:36, 21 November 2013 diff hist +5,520 Circles →Activity No # 5. Angles in the same segment are equal.
- 16:34, 21 November 2013 diff hist +2,964 Circles
- 16:17, 21 November 2013 diff hist +9,088 Circles →Activity No # 4.Equal chords(arcs) subtend equal angles at the centre.
- 15:03, 21 November 2013 diff hist +7,202 Circles →Activity No # 2. Angle in a semicircle is a right angle.
- 14:24, 21 November 2013 diff hist +9,666 Circles →Activity No # 1.The angle subtended by an arc at the centre is twice the angle subtended by the same arc at any point on the circumference of the circle
- 16:55, 20 November 2013 diff hist +1 Angles
- 16:04, 20 November 2013 diff hist -1,665 Similar and congruent triangles
- 16:01, 20 November 2013 diff hist -41 Similar and congruent triangles
- 15:30, 20 November 2013 diff hist +6 A Kite and its properties
- 15:28, 20 November 2013 diff hist +30 A Kite and its properties
- 15:21, 20 November 2013 diff hist -1,103 A Trapezium and its properties
- 14:59, 20 November 2013 diff hist +1 Introduction to a square and its properties
- 14:58, 20 November 2013 diff hist +683 Introduction to a square and its properties
- 14:48, 20 November 2013 diff hist +1,251 Parallelograms
- 14:37, 20 November 2013 diff hist +1,253 Quadrilaterals
- 14:34, 20 November 2013 diff hist +27 Quadrilaterals →Activity No #
- 14:19, 20 November 2013 diff hist +13 Mensuration
- 12:58, 20 November 2013 diff hist 0 File:Cyclic Quadrilateral.mm Sudha uploaded a new version of "File:Cyclic Quadrilateral.mm": MsUpload
- 12:48, 20 November 2013 diff hist 0 File:Cyclic Quadrilateral.mm Sudha uploaded a new version of "File:Cyclic Quadrilateral.mm": MsUpload
- 12:41, 20 November 2013 diff hist -1,070 Cyclic quadrilateral
- 12:39, 20 November 2013 diff hist +321 Cyclic quadrilateral
- 12:33, 20 November 2013 diff hist +44 Cyclic quadrilateral →Concept Map
- 12:32, 20 November 2013 diff hist +8 N File:Cyclic Quadrilateral.mm MsUpload
- 11:28, 20 November 2013 diff hist -1,424 The longest chord passes through the centre of the circle →Activity No 1[Theorem 1: Perpendicular bisector of a chord passes through the center of a circle.]
- 11:15, 20 November 2013 diff hist -597 The longest chord passes through the centre of the circle
- 11:13, 20 November 2013 diff hist +19 The longest chord passes through the centre of the circle
- 10:42, 20 November 2013 diff hist +140 Circles
- 10:00, 20 November 2013 diff hist +35 Circles →Concept # 2. Measurements in circles
- 09:57, 20 November 2013 diff hist +3,015 Circles
- 09:45, 20 November 2013 diff hist +9 Circles
- 17:44, 19 November 2013 diff hist +9,722 The longest chord passes through the centre of the circle →Activity No #
- 17:26, 19 November 2013 diff hist +10,382 The longest chord passes through the centre of the circle →Activity No # 2.[Theorem 2.Congruent chords are equidistant from the center of a circle.]
- 17:18, 19 November 2013 diff hist +7,953 The longest chord passes through the centre of the circle →Activity No 1[Theorem 1: Perpendicular bisector of a chord passes through the center of a circle.]
- 16:59, 19 November 2013 diff hist +6,653 Sector of a circle →Activity No #
- 16:56, 19 November 2013 diff hist +1,243 The longest chord passes through the centre of the circle →Concept #3.TANGENT
- 16:48, 19 November 2013 diff hist +6,594 Circles →Activity No # Measuring chord.