Quadrilateralsand Parallelograms

Question 1:

Exercise 9A

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Question 3:

Since AB || DC

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Question 8:

Given: O is a point within a quadrilateral ABCD

Question 9:

Given: ABCD is a quadrilateral and AC is one of its disgonals.

Question 10:

Given: ABCD is a quadrilateral.

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Exercise 9B

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Question 9:

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Question 1:

Exercise 9C

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Question 9:

∴ PQRS is a rhombus.

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