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A nearby pizza parlor offers pizzas with diameters of 10 in,12 in, and 14 in, find the area of each size of the pizza, use pie, round to the nearest tenth

1 Answer

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Area = ((pi) / 4) * d^2

10 inches...
A = (3.14 / 4) * 10^2
A = 0.785 * 100
A = 78.5 sq inches

12 inches..
A = (3.14 / 4) * 12^2
A = 0.785 * 144
A = 113.04 rounds to 113.0 sq in.

14 inches..
A = (3.14 / 4) * 14^2
A = 0.785 * 196
A = 153.86 rounds to 153.9 sq in.
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