Find the volume $V$ of a cone if radius $r = 2 cm$ and height $h = 9 cm$ .

Answer

$54 π cm^{3}$

Explanation

To find volume $V$ use formula:

V = \frac{h ^{2} \cdot r \cdot π}{3}

After substituting $r = 2 cm$ and $h = 9 cm$ we have:

V = \frac{81 cm ^{2} \cdot 2 cm \cdot π}{3}

V = \frac{162 cm ^{3} π}{3}

V = 54 π cm^{3}

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Find the volume V of a cone if radius r=2cm and height h=9cm.

54πcm3

Find the volume $V$ of a cone if radius $r = 2 cm$ and height $h = 9 cm$ .

$54 π cm^{3}$