Question

volume of hemisphere is 19404cm³
​

Answer 1

Answer:

Volume of hemisphere is given as

3

2

πr

3

=19404c.c.

⇒r=21 cm

Surface area of hemisphere =3πr

2

=3×π×21

2

=3×441×3.14

=4158 cm

2

Answer 2

Answer:

Volume of hemisphere is given as 2 / 3 πr³

=19404c.c.

⇒r=21 cm

Surface area of hemisphere =3πr²

=3×π×21²

=3×441×3.14

=4158 cm²