The volume, V, of a cylinder is given below, where r is the radius and h is the height. Find the radius of a cylinder with a height of 3 m and a volume of 81pi metres cubed. Express your answer in simplest form.

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A: Please see the below picture for detailed solution.

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Q: In meters cubed. What is the radius of the sphere? 3 32 The volume of a sphere is

A: In this question we used two formula Volume of sphere = 43πr3 and Volume of Cone = 13πr2h