Question

proove that the area of a triangle ABC=sqrt(s(s-a)(s-b)(s-c))
where s is the semi-perimeter (a+b+c)/2

Answer 1

look it up online. the "people" who did this took a long time on it. but proofs online and you can see ALL diff types.

Answer 2

haha, i actually already know the answer and how to do it, i just wanted to see if anyone else did :P