Question

a circle with the radius of 3 cm is inside a circle with radius of 11 cm, what is the area of the shaded region

Answer 1

351.859 cm^2

Explanation:

area of a circle= π(r)^2

given 2 radius= 11 cm and 3 cm

to find area of shaded region, subtract the two

π(11)^2 - π(3)^2 =380.133-28.274

= 351.859 cm^2