Question

the areas of are in the ratio 9:16 find the ratio of their circumferrnces​

Answer 1

Answer:

ratio of the area of circles = 9 : 16

area = πr²

r² : 'r² = 9 : 16

r = 3

'r = 4

πd = circumfrence

ratio = r : 'r

then ratio becomes 3 : 4