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The height of a right cylinder is 3 times the radius of the base. The volume of the cylinder is 24π cubic units. What is the height of the cylinder?

a. 2 unitsB. 4 unitsC. 6 unitsD. 8 units

User RGil
by
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2 Answers

3 votes

Answer:

6

Explanation:

User Jean Davy
by
5.9k points
2 votes

h=3r\\\\r=(h)/(3)\\\\V=\pi r^2\cdot h\\\\24\pi=\pi\left((h)/(3)\right)^(2)\cdot h\\\\9\cdot 24=h^3\\\\h=\sqrt[3]{3\cdot3\cdot3\cdot8}\\\\h=6

The appropriate choice is
C. 6 units
User Jonathan Shore
by
5.2k points