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Home > ACC7 > Chapter 9 Unit 6 > Lesson CC2: 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.