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: syllabus Mathematics, Chapter 13, Surface Areas and Volumes._
Keep practising Mensuration: Perimeter and Area
Browse all Mensuration: Perimeter and Area questions for CBSE Class 9, or explore more Mathematics topics.
Related questions
Match Heron's formula components for triangle area:Match each hemisphere surface area component (radius r):Match each circular solid with its volume formula:Match each circular 3D solid with its curved surface area (CSA) formula:Spot the one that does not fitFill the gaps on surface areasFind a cone's curved surfacePart of a cone or a sphere