Question

how to prove heron's formula

Answer 1

s=a+ b + c/2
by heron 's formula
area= square root s×s-a ×s-b×s-c
sq.................... ...... ...

Answer 2

Squareroot of s(s-a)(s-b)(s-c) where s=a+b+c/2 where a, b, c are sides of a triangle