8
(The volume of a cone =
– 3r24] The volume of a sphere =
a sphere = far)
4 4.5
A solid is formed by joi

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.​

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