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India
Class IX

Geometrical Calculations

Interactive practice questions

From the diagram:

a

Find $y$y.

b

Find $x$x. giving reasons

Easy
2min

Find the size of angle $x$x, giving reasons.

Note: the diagram is not to scale.

Easy
7min

Find the size of angle $x$x, giving reasons.

Easy
6min

Find the size of angle $x$x, giving reasons.

Easy
5min
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Outcomes

9.G.Q.1

The diagonal divides a parallelogram into two congruent triangles. In a parallelogram opposite sides are equal and conversely. In a parallelogram opposite angles are equal and conversely. A quadrilateral is a parallelogram if a pair of its opposite sides is parallel and equal. In a parallelogram, the diagonals bisect each other and conversely.

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