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A frustum of a cone is obtained when a cone is cut by a plane that is:

Class 10Frustum of a ConeMensuration
  • Aparallel to its base
  • Bperpendicular to its base
  • Cpassing through its apex
  • Dalong its slant height

Step-by-Step Solution

When a cone is sliced by a plane parallel to its base and the small top cone is removed, the remaining solid is a frustum.
Answer: A) parallel to its base

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