Find the volume of a hemisphere of radius 21 cm. (Use π=22/7) |
19400 cm3 18440 cm3 17404 cm3 19404 cm3 |
19404 cm3 |
We know that, Volume of hemisphere = (\(\frac{2}{3}\))πR3 We have, Radius of hemisphere = 21 cm Volume of hemisphere = \(\frac{2}{3}\) × \(\frac{22}{7}\) × 21 × 21 × 21 = \(\frac{2}{3}\) × \(\frac{22}{7}\) × 9261 = 19404 cm3 |