Question

16.If the radius of a hemisphere is 21 cm then which of the following is
correct *
O total surface area =4158cm2
O Curved surface area=8821 cm?
O cm
volume=19404 cm2
O O Allqu​

Answer 1

Answer:

answer for the given problem is given

Answer 2

Answer:

Total surface area=4158²

Step-by-step explanation:

Curved Surface area of a hemisphere

=2πr²

=2×22/7(write in fraction)

×21×21=2772cm²

Total surface area of a hemisphere =3πr²

=3× 22/7 (write in fraction)×21×21=4158cm²