Question

If the diameter of the base of a right circular cone is 8 cm and its height is 3 cm, which of the following is the curved surface area of the cone?

Answer fast please ​

Answer 1

Answer:

Let h be the height of the cone.

Diameter = 8 cm

Radius = 4 cm

Volume = 48π cm

3

3

1

π×(4)

2

×h=48π

h=9 cm

Hence, the height of the cone is 9 cm.

Answer 2

Answer:

Let h be the height of the cone.

Diameter = 8 cm

Radius = 4 cm

Volume = 48π cm

331

π×(4)

2 ×h=48π

h=9 cm

Hence, the height of the cone is 9 cm.