demetriocisneros235
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  • 03-05-2021
  • Mathematics
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find the height of a cone with a volume of 21ft and a radius of 4ft​

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Аноним Аноним
  • 03-05-2021

here's the solution,

volume of cone :

=》

[tex]v = \dfrac{1}{3} \pi {r}^{2} h[/tex]

=》

[tex]21 = \dfrac{1}{3} \times 3.14 \times4 {}^{2} \times h [/tex]

=》

[tex]h = \dfrac{21 \times 3}{3.14 \times 16} [/tex]

=》

[tex]h = 1.253[/tex]

height = 1.25 ft (approximate)

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