geometry

The radius R of a sphere is 5.6cm. Calculate the sphere's surface area A.

Use the value 3.14, and round your answer to the nearest tenth.

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  1. Can you calculate 4 pi R^2?

    If you need a calculator, just type

    4*3.14*(5.6)^2 into a Google search box.

    https://www.google.com/search?q=4%2A3.14%2A%285.6%29%5E2

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