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Asked by ari

A circular lake is 30 miles across at its widest point. What is the area of the lake in acres? Round your answer to the nearest tenth of an acre.
13 years ago

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Answered by Ms. Sue
A = pi * r^2

A = 3.14 * 15^2

A = 706.5 square miles

1 square mile = 640 acres

706.5 * 640 = ______ acres
13 years ago

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