Find the volume $V$ of a pyramid if height $h = 11 cm$ and base area $B = 84 cm$ .

Answer

$308 cm$

Explanation

STEP 1: find side $a$

To find side $a$ use formula:

After substituting $B = 84 cm$ we have:

B = a^{2}

a^{2} = 84 cm

a = 84 cm

a = 221

STEP 2: find volume $V$

To find volume $V$ use formula:

V = \frac{a ^{2} \cdot h}{3}

After substituting $a = 221 cm^{0}$ and $h = 11 cm$ we have:

V = \frac{84 \cdot 11 cm}{3}

V = \frac{924 cm}{3}

V = 308 cm

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Find the volume V of a pyramid if height h=11cm and base area B=84cm.

308cm

Find the volume $V$ of a pyramid if height $h = 11 cm$ and base area $B = 84 cm$ .

$308 cm$