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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
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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

User Nathan Calverley
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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.
User AnthonyWJones
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