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The volume of a cone is 16 pie cubic inches. Its height is 12 inches. What is the radius of the cone?

The volume of a cone is 16 pie cubic inches. Its height is 12 inches. What is the radius of the cone?
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1 vote
The volume of a cone is 16 pie cubic inches. Its height is 12 inches. What is the radius of the cone?

User Krsnaa
by
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1 Answer

3 votes
V=(1/3)hpir^2
V=16pi
h=12

16pi=(1/3)12pir^2
16pi=4pir^2
divide both sides by 4pi
4=r^2
sqrt both sides
2=r

answer is A
User Knivil
by
7.8k points
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