Question

A= {set of quadrilaterals}, B= {square, rectangle, trapezium, rhombus}. State whether A⊂B or B⊂A. Justify your answer.

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.

Answer 2

The correct answer is B⊂A.

• In the given question A= {set of quadrilaterals} and B= {square, rectangle, trapezium, rhombus}.
• Now, square, rectangle, trapezium, and rhombus all lie in the category of quadrilaterals and all are the elements of B, and set A itself consists of all quadrilaterals.
• Hence, the B will be the subset of A as A consists of all the elements of B.

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