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A cone has a volume of 21​ cubic meters and a radius of 3 meters. What is its height?

A cone has a volume of 21​ cubic meters and a radius of 3 meters. What is its height?
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1 vote
A cone has a volume of 21​ cubic meters and a radius of 3 meters. What is its height?

User Jarauh
by
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1 Answer

6 votes
The Answer is: 2.23 (2 d.p)






Step-by-step:
The volume of cone= (1/3)* π*radius^2*height
Height of cone= volume/(1/3)* π*radius^2
=21/(1/3)* π*3^2
= 2.23 cm (2 d.p)
User Mahmoud
by
8.6k points
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