S.chand publication New Learning Composite mathematics solution of class 8 Chapter 10 Quadrilaterals Exercise 10B

 Exercise 10B

Question 1

(a) A rectangle is a parallelogram

Ans. Always (A).


(b) A rhombus is a square

Ans. Sometimes (S).


(c) A parallelogram is a rhombus

Ans. Sometimes (S).


(d) A rhombus is a rectangle

Ans. Sometimes (S).


(e) A square is a rhombus

Ans. Always (A).


(f) A rectangle is a quadrilateral

Ans. Always (A).


(g) A square is a rectangle

Ans. Always (A).


(h) A rectangle is a square.

Ans. Sometimes (S).


(i) A rectangle is a rhombus.

Ans. Never (N).


Question 2

A triangle is equilateral if and only if the triangle is quadrangular. Can you make a similar statement above quadrilateral? Explain your answer.

Solution: The statement about a quadrilateral is not true. Because a Rhombus is equilateral. but not equiangular. Saverly a rectangle is equiangular but not equilateral.

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