Question

Circumferences of two circles are equal.Is it necessary that their areas are equal?Give reasons.

Answer 1

surely it will be equal.circumference equal means 2x22/7xr=2x22/7xr
2 and 22/7 can be cancelled .so r=r ..so areas will be equal

Answer 2

$\bf\huge\underline\mathfrak\red{Question}$

Circumferences of two circles are equal.Is it necessary that their areas are equal? Give reasons.

$\bf\huge\underline\mathfrak\blue{Answer}$

Yes, If circumference of two circles are equal, then their corresponding radii will be equal. So, their areas would be equal.