Question

Find the volume

1.Cone whose radius is 10cm and the height is 5cm.
2.Sphere whose radius is 5m.
3.Cone whose radius is 6m and the height is 20m.
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Answer 1

The answers are all in 2d.p

1)523.81cm³

2)166.67m³

3)754.29m³

Explanation:

1)V=1/3pir²h

V=1/3×10²×5×22/7

V=523.81cm³

2)V=4/3pir³

V=4/3×5³

V=166.67m³

3)V=1/3pir²h

V=1/3×22/7×6²×20

V=754.29m³