Question

heron's formula
s=a+b+c/2
ye formula kab use karte h​

Answer 1

If three sides a, b and c are given, then asked to find area of that triangle.

We have to use,

$\sf{Area\:(∆) = \sqrt{s(s-a)(s-b)(s-c)}}$

In this formula we use s = (a + b + c)/2