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sattari [20]
2 years ago
13

The volume of a cone is 540pi Work out the height,of the cone. The radius is 9cm

Mathematics
1 answer:
OLga [1]2 years ago
6 0

Formula for volume of a cone = pi x r^2 x h/3


540pi = pi x 9^2 x h/3

Divide both sides by pi:

540= 9^2 x h/3

Simplify:

540 = 81 x h/3

Divide both sides by 81:

6 2/3 = h/3

Multiply both sides by 3

H = 20


the height is 20 cm

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