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

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1. mathslover

$\huge{s=\sqrt{s(s-a)(s-b)(s-c)}}$ 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

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

3. eliassaab
4. mathslover

sir can u explain me here ?

5. mathslover

@mukushla please help @Eyad ?

6. eliassaab
7. mathslover

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

8. mathslover

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

9. mathslover

@lgbasallote

10. aceace

wait is this formula accurate?

11. mathslover

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

12. aceace

whats the BIG S?

13. moongazer

I think this will help you :) http://www.khanacademy.org/math/geometry/triangles/v/part-1-of-proof-of-heron-s-formula

14. mathslover

S--> s i meant the same k thansk @moongazer

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