Areas and Dimensions of an Obtuse-angled Triangle

Enter data in the a b and c fields or in the b and h fields.
a
b
c
h


Area =  

Formulas:

A = Area
a = top side of obtuse angle
b = base
c = side opposite obtuse angle
h = height
A = (bh/2) or b/2 * sqrt (a2 - ((c2 - a2 -b2) / 2b)2)
h = 2A / b

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