Area = (pi) R2 = (pi) (1/2 diameter)2 = 25 pi = 78.54square feet (rounded)
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The area of a circle with a diameter of 10 centimeters is: 78.54 cm2
The area of a circle whose diameter is 10 cm is: 78.54 cm2
The area of a circle is A = pi times diameter² / 4. Given diameter d = 10 inches. Area A = 78.5398 inches².
A circle that has an area of 78.5 square feet has a diameter of 10 feet.
Using 3.14 as Pi the area of circle is: 78.5