Problem

Find the surface area of a sphere with a radius of 3 meters.

Answer

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Answer

Solving the equation gives 4π×9=36π square meters.

Steps

Step 1 ：The formula for the surface area of a sphere is 4πr2 where r is the radius of the sphere.

Step 2 ：Substituting the given radius into the formula, we get 4π(3)2.

Step 3 ：Solving the equation gives 4π×9=36π square meters.

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