Question

What will be the curved surface area of a hemisphere, whose total surface area is 462 cm2?​

Answer 1

Answer:

23 × 227 × 7× 7× 7= 718.6cm³

$23 \times 227 \times 7 \times 7 \times 7 = 718.6cm^{3}$

3πr²=462

3×

22

7

×r² = 462

66

7

× r²=462

r² = 462×

7

66

r² =49

r=√49=7

Volume of hemisphere =

2

3

πr³