Question

Find the circumference of the circle if its area is 49π cm2.​

Answer 1

Answer:

Area of circle = 49 π cm^2

π r^2 = 49 π

r^2 = 49 ( pie will be cancelled )

therefore r = 7

now we know that circumference of circle = 2π r = 2 ×pie × r = 2× π× 7 = 14π

Answer 2

may be answer of this question is right...