Question

answer ONE MARKS QUESTION ​

Answer 1

Answer:

Volume of sphere of radius 21 cm is 19404 cm³

Step-by-step explanation:

Radius of given hemisphere = 21 cm

$volume \: of \: hemisphere \\ = \frac{2}{3} \times \pi \: r {}^{3}$

$= \frac{2}{3} \times \frac{22}{7} \times 21 \times 21 \times 21$

$= 44 \times 21 \times 21$

$= 91404 \: \: {cm}^{3}$

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Answer 2

HEY MATE HERE IS YOUR ANSWER

VOLUME OF HEMISPHERE =

$\frac{2}{3} \times \pi \times {r}^{3}$

$\frac{2}{3} \times \frac{22}{7} \times {21}^{3}$

$\frac{2}{3} \times \frac{22}{7} \times 21 \times 21 \times 21$

$simplified$

$2 \times 22 \times 3 \times 7 \times 21$

$= 19404 \: {cm}^{3}$

VOLUME OF HEMISPHERE IS 19404 cm. cub.

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