The slant height, height and base radius of a cone are linked by the theorem of:
AHipparchus
BPythagoras
CArchimedes
DEratosthenes
Answer & Solution
Correct answer: B. Pythagoras
1. The three measurements form a right-angled triangle.
2. The slant height is its hypotenuse.
3. So l squared equals r squared plus h squared, by Pythagoras.
_Source: NCERT Class 9 Mathematics, Chapter 13, Surface Areas and Volumes._
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