Q11 of 33 Page 50

Find in Fig 3.33 if

It is mentioned in the question that:

∠B + ∠C = 180° (Angles on the same side of transversal)


120o + ∠C = 180°


∠C = 60°


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9

In the above figure both RISK and CLUE are parallelograms. Find the value of x.

 10

Explain how this figure is a trapezium. Which of its two sides are parallel? (Fig 3.32)

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Find the measure of and if in Fig 3.34.


(If you find is there more than one method to find ?)

 1

State whether True or False

(a) All rectangles are squares


(b) All rhombuses are parallelograms


(c) All squares are rhombuses and also rectangles


(d) All squares are not parallelograms


(e) All kites are rhombuses


(f) All rhombuses are kites


(g) All parallelograms are trapeziums


(h) All squares are trapeziums