### Home > CC2 > Chapter 9 > Lesson 9.1.3 > Problem 9-45

9-45.

The shape at right is composed of a rectangle and a semi‑circle (half of a circle).

Find the perimeter.

The perimeter of a semi-circle is half of the circumference of a circle.

If the semi-circle were made into a complete circle, its circumference would be

. meters Find the area.

Find the area of the semi-circle and the area of the rectangle separately, then add them together to find the total area.