Question

The answer is 625cm. but I can't do the steps​

Answer 1

Explanation:

Area of ENTIRE circle = pi r^2 = pi (18)^2 = 1017.876 cm^2

the shaded area is 221 out of 360 ( 360 is the ENTIRE circle area)

221 / 360 * area = 221/ 360 * 1017.876 = 624.8 = ~ 625 cm^2