Asked by Becka


A triangle has side lengths of 172m, 155m, and 200m. calculate the area.
Answered by Rain
this is imposible uless it is a right triuabgle. You need to knw the height.

formula is:
b*h
A= ----
2
Answered by Marth
Use Heron's formula. Given sides a, b, c of a triangle, let s = (a+b+c)/2. Then A = sqrt(s(s-a)(s-b)(s-c))
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