Question

calculate the volume of a sphere of diameter 50cm in m3

Answer 1

$<i>$Given -

Diameter = 50 cm

1 cm = 1 / 100 m

Diameter ( in metres ) = 50 / 100 m = 0.5 m

Now,

Volume of sphere = 4 / 3 × π × r³

= 4 / 3 × 22 / 7 × ( 0.5 )³

= 4 / 3 × 22 / 7 × 5 / 10 × 5 / 10 × 5 / 10

= 0.52 m³