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05-12-2019
Mathematics

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Mary has a small round mirror in her purse. If the mirror is 4 inches in diameter, what is the area of the mirrored surface?

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nonsibi nonsibi

05-12-2019

Diameter = 4 inches

Radius = diameter/2 = 4/2 = 2 inches

Area = πr^2 = π(2)^2 = 4π = 12.57 inches squared approx.

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