Question

Suppose that circles A and B have a central angle measuring 100°. Additionally, the measure of the sector for circle A is 1071 m²

and for circle B is 407 m²
If the radius of circle A is 6 m, what is the radius of circle B?
10 m
12 m
16 m

Answer 1

Answer:12 m

10π40π = 62x2

x = 12

When circles have the same central angle measure, the ratio of measure of the sectors is the same as the ratio of the radii squared.

Explanation: