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Volume of a Frustum

If the radii ...

Question

If the radii of circular ends of frustum of a cone are 20 cm and 12 cm and its height is 6 cm, then the slant height of frustum (in cm) is:

A

15

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B

8

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C

10

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D

12

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Solution

The correct option is C
10

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Q. The radii of the circular ends of a frustum of height 6 cm are 14 cm and 6 cm, respectively. Find the slant height of the frustum.

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