The sides of a triangle are 50 cm, 78 cm and 112 cm. The smallest altitude is
Let a, b and c are the sides of triangle and s is the semi-perimeter, then its area is given by:
A = 
where 
[Heron’s Formula]
= 
=120
A = 
A = 
= 
cm2
Area of triangle = 
1680 = 
Altitude = 30 cm
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