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Anil makes a bucket open at the top in the shape of a frustum. The radii of its top and bottom are 21 cm and 7 cm and its height is 24 cm.
Find the slant height of the bucket, in cm.

Class 10Frustum of a ConeMensuration
  • A55.56
  • B24.78
  • C27.78
  • D30.78

Step-by-Step Solution

cm (approx).
Answer: C) 27.78

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