Question

find curved surface area and total surface area and volume of hemisphere having diameter 21cm​

Answer 1

Please mark this answer as a brain list answer

Answer 2

CSA of a hemisphere = 2 × 22/7 × 21/2 ×21/2

= 693 cm³

TSA of a hemisphere = 3 × 22/7 × 21/2 × 21/2

= 1039.5 cm³

Volume of a hemisphere = ⅔ × 22/7 × 21/2 × 21/2 × 21/2

= 2425.5 cm³