Question

8
(The volume of a cone =
- 3r24] The volume of a sphere =
a sphere = far)
4 4.5
A solid is formed by joining a cone of radius 4.5 cm and height 7.6 cm to a hemisphere
of radius 4.5 cm as shown.
(a) Calculate the area of the circle where they are joined.​

Answer 1

Explanation:

Volume of cone is = 1/3 πr²h

Volume of sphere is = 4/3 πr³