Question

Find the surface area of hemisphere with radius 10 cm (π = 3.14).

Answer 1

Given: Radius of the hemisphere (r) = 10 cm

π = 3.14

Formula: Total surface area of hemisphere = 3πr²

= 3 × 3.14 × (10)²

= 3 × 3.14 × 100

= 3 × 314

= 942 cm²

The surface area of the hemisphere is 942 cm².