Question

A circle with radius of 3 sits inside a circle with radius of 5. What is the area of the shaded region? 

Plzz Help me on thisss

Answer 1

Assumed your shaded part is between the big and the small circle.

Area of the big circle =
`\pi r^(2)` = 3.142 x 5 x 5 = 78.66
Area of the small circle =
`\pi r^(2)` = 3.142 x 3 x 3 = 28.278
Area of the shaded part = 78.66 - 28.278 = 50.6 square units