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The diameter of a circle is 22 feet. Using the formula A π= r^2, what is the area of the circle? Use 3.14 for pi. ____ft^2
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The diameter of a circle is 22 feet. Using the formula A π= r^2, what is the area of the circle? Use 3.14 for pi.

____ft^2

The diameter of a circle is 22 feet. Using the formula A π= r^2, what is the area-example-1
User David Hempy
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The diameter is twice the radius. So to find the radius, r, divide the diameter by two
A = (3.14) r^2
A = (3.14) (11)^2
A = (3.14) (121)
A = 379.94
The area of the circle is 379.94 ft^2

Hope this helps :)
User Godfrey
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