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Home > CC3 > Chapter 3 > Lesson 3.2.5 > Problem 3-116

3-116.

Find the area and perimeter of the shape below. Show your work.

A horizontal rectangle, in the middle, with two semi circles connected on the left and right sides. The length of the rectangle is 6 meters. The radius of the semi circle is 1.8 meters.

Refer to the Math Notes box in Lesson 3.2.2 for review on circle area and circumference.

Since the radius of the circle is m, what is the diameter?

m
Now that you know the diameter, what is the width of the rectangle?

Now find the area of each separate shape.
Circle:
Rectangle: (length)(width)

The total area of the shape is about .
What is the perimeter?