Question

Find the volume of air to be filled in a basket ball of radius 10.5 cm.
[2 MARKS]

Answer 1

Formula: 1 Mark
Application: 1 Mark

$r=10.5$

Volume of air to be filled

$=\frac{4}{3}\pi r^3$

$=\frac{4}{3}\times \frac{22}{7}\times {10.5}^3$

$=4851{cm}^3$