## anonymous 4 years ago anyone tell me what is this..

1. anonymous

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

2. anonymous

Formula for area of Triangle

3. anonymous

how does it work?

4. anonymous

need help?

5. anonymous

yes, how does the above formula work?

6. anonymous

i dont get it

7. anonymous

im srry

8. anonymous

...

9. anonymous

this is the formula for the area of any scalene triangle

10. anonymous

It's called the Heron's Formula

11. anonymous

S=half of the perimeter of the triangle a, b, c are the three different sides respectively.

12. myininaya

$s=\frac{a+b+c}{2}$ works for any triangle