Question

Find the area of the shaded region in the figure below, if the radius of the outer circle is 12 and the radius of the inner circle is 2. Keep your answer in terms of π.

Answer 1

Explanation:

To find the shaded region of the circle, you must subtract the inner, unshaded part. to do that, both of the circles' areas have to be found.

Answer 2

144π-4π=140π

This answer is found by subtracting the small region from the big region