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​Q24: Answers – Paper 3 – November 2018

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Content:

• Volume of Spheres
• Volume of Cones
• ​Creating Ratios​

Quizzes:

• Volume of Spheres
• Volume of Cones
• Creating Ratios

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Mark Scheme

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Working

A sphere has radius 2x cm

A cone has

• radius 3x cm
• perpendicular height h cm

The sphere and the cone have the same volume.

Work out        radius of cone : perpendicular height of cone

Give your answer in the form    a : b    where a and b are integers.

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Question

24)

A sphere has radius 2x cm

A cone has

• radius 3x cm
• perpendicular height h cm

The sphere and the cone have the same volume.

Work out        radius of cone : perpendicular height of cone

Give your answer in the form    a : b    where a and b are integers.

[4 marks]​​

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