Start learning →

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._
Practise this question with Quill — CBSE Class 9 →

Keep practising Mensuration: Perimeter and Area

Browse all Mensuration: Perimeter and Area questions for CBSE Class 9, or explore more Mathematics topics.

Start a Mensuration: Perimeter and Area lesson →