Question

The areas of two circles are in the ratio of 16 : 25. Find the ratio of their Radii

Answer 1

Answer:

4:5

16:25

do squaring u will get answer

4:5

Answer 2

16πr^2:25πR^2

16r^2 : 25R^2

(4r)^2 : (5R)^2

4r:5R

therefore 4:5