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0:17:31

Introduction to Patterns

0:17:10

To Find The Sum Of The Numbers In A Pattern

0:17:33

To Find a Particular Term In a Pattern

0:17:12

Quadrilaterals Exercise Problem-I

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Bisectors of opposite angles of a parallelogram are parallel to each other

0:06:36

Bisectors of any two adjacent angles of parallelogram are perpendicular to each other

0:11:54

Theorem-4 The diagonals of a rectangle bisect each other and are equal

0:12:54

Theorem-3 The Diagonals of a parallelogram bisect each other

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Theorem-5 The diagonals of a Rhombus bisect each other at right angles.

0:18:58

Theorem-2 The Opposite sides and opposite angles of a parallelogram are equal.

0:13:12

Theorem-1 The Sum of four angles of any quadrilateral is equal to 360 degree.

0:18:12

Congruent Triangles - Quadrilaterals

0:16:51

Types of Quadrilaterals

0:14:50

Venn Diagram

0:10:40

General Properties of Quadrilateral