Question

A = {set of quadrilaterals), B={square, rectangle, trapezium, rhombus). State whether
Ac Bor B CA. Justify your answer.
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Answer 1

B⊂A IS THE ANSWER.

It is so because all of the given figures Square, Rectangle , Trapezium and Rhombus fall under the category of Quadrilaterals .In addition to that Set A(Quadrilaterals) also contains Trapezoids , Kites etc.So B is a proper subset of A.

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