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14-03-2018
Mathematics

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The surface area of a sphere with a diameter of 22 cm. Round your answer to the nearest whole number.

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mreijepatmat mreijepatmat

14-03-2018

Surface area of a sphere: 4π.R²

Diameter = 22 cm that means R = 11 cm

Area = 4π.(11)² = 1520.53 or 1521 cm²

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