Question

the circumference of two circles are in ratio 9 is to 16 find the ratio of its area​

Answer 1

Step-by-step explanation:

Ratio of the circumference of both circles -

2πr(1) / 2πr(2) = 9/16

r(1) : r(2) = 9 : 16

Ratio of the areas of both circles

πr(1)² : πr(2)²

r(1)² : r(2)²

81 : 256