alleryHeron's formula finds a triangle's area from its:
ATwo angles n
BOne diagonal
CHeight alone
DThree sides
Answer & Solution
Correct answer: D. Three sides
1. The usual formula needs a base and a height.
2. Heron's formula needs no height at all.
3. It works from the lengths of the three sides.
4. So the answer is three sides.
_Source: syllabus Mathematics, Ch 6 'Measuring Space: Perimeter and Area'_
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