Mathematics · Geometry
What is meant by the 'Frustum of a right circular cone'?
- 1Total surface area, including the lateral surface area and the surface area of the base
- 2Portion of the cone which remains after the cone's upper part has been cut off by a plane parallel to its base✓
- 3Portion of the cone which remains after the cone's upper part has been cut off by a plane inclined to its base
- 4Portion of the cone which remains after the cone has been cut into two parts by a plane perpendicular to its base
Correct answer
Portion of the cone which remains after the cone's upper part has been cut off by a plane parallel to its base
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