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25-03-2015
Mathematics

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a circular mirror has a diameter of 12 inches what is the are in square inches of the mirror?

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25-03-2015

The area of a circle is (pi) x (the circle's radius)²

The circle's radius is (1/2) of (its diameter).

Area = (pi) x (12/2 inches)² =

(pi) x (6 inches)² =

(3.14) x (36 square inches) = 113 square inches (rounded)

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