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

9-45.
  1. pic The shape at right is composed of a rectangle and a semi‑circle (half of a circle). Homework Help ✎

    1. Find the perimeter.

    2. Find the area.

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 11π.

46.27 meters

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