Heron's Formula | Area of Triangle | Geometry | Math | LetsTute

Hey Guys,
Check out our video on "Heron's Formula" in Geometry for Class 9 by Letstute

0:00 Introduction
1:53 History of Heron's formula
2:21 Derivation of Heron's formula
5:59 Examples
6:59 Recap

Did you know that we can calculate the area of triangle even without it's height?
Heron from Alexandria, derived a formula to calculate the area of triangle by using only the sides of the triangle and by using the perimeter of the triangle. The formula contained only the sides of the triangle and the semi-perimeter. And his formula is so useful, that it can be used for not only the triangles, but for all the types of quadrilaterals too.

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