alleryThe two circular ends of a frustum have radii that are:
ADifferent
BIdentical
CImaginary
DUndefined
Answer & Solution
Correct answer: A. Different
1. The cone narrows as it goes up towards the point.
2. So the upper circle is smaller than the lower.
3. The two radii are therefore different.
_Source: syllabus Mathematics, Chapter 13, Surface Areas and Volumes._
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