Well, darling, to find the area of a circle, you use the formula A = πr^2. Since the diameter is 8 inches, the radius would be half of that, which is 4 inches. Plug that into the formula, and you get an area of 16π square inches. Voila!
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The area of a circle with a diameter of 8 feet is: 50.27 square feet.
The area of a circle with a diameter of 8 centimeters is: 50.27 square centimeters.
50.24
The area is 50.3 square feet.
The radius is about 8 so the diameter = 2*8 = 16 units in length