The sides of a triangle are 11 cm, 15 cm and 16 cm. The altitude to the largest side 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]
= 
= 21
A = 
A = 
= 
cm2
Area of triangle = 
= 
Altitude = 
cm
7