## mathslover Group Title hello friends I am in the need of : THE PROOF OF HERON'S FORMULA 2 years ago 2 years ago

1. mathslover Group Title

$\huge{s=\sqrt{s(s-a)(s-b)(s-c)}}$ where $\huge{s=\frac{a+b+c}{2}}$ and a , b and c are three sides of a triangle but what about the proof of this formula?

2. mathslover Group Title

If you can then please geometric proof also .. and algebraic proof

3. eliassaab Group Title
4. mathslover Group Title

sir can u explain me here ?

5. mathslover Group Title

6. eliassaab Group Title
7. mathslover Group Title

Ok !! thanks for that link but i want to proove it myself i just need guidance

8. mathslover Group Title

@UnkleRhaukus and @nbouscal sir ? help me here please ...mukushla can u ?

9. mathslover Group Title

@lgbasallote

10. aceace Group Title

wait is this formula accurate?

11. mathslover Group Title

oops i meant : $\huge{a=\sqrt{s(s-a)(s-b)(S-c)}}$ a = area

12. aceace Group Title

whats the BIG S?

13. moongazer Group Title