Question

A rectangle is placed around a semicircle as shown below. The length of the rectangle is 4cm. Find the area of the shaded region.

Use the value 3.14 for pi, and do not round your answer. Be sure to include the correct unit in your answer.
i got the area of the semi circle which was 1/2*3.14*4cm^2
which is 25.13
im just stuck on finding the area of the rectangle

Answer 1

an image of how the region looks would help

Answer 2

"as shown below."
Where?