the area of two circles are in the ratio of 4:16 .find the ratio of their radii
Answers
Answered by
1
area of a circle =πr^2
ratio of areas of two circles =4:16
πr1^2:πr2^2
r1^2:r2^2
r1^2=4,r2^2= 16
r1:r2 = 2:4
Similar questions