If a,b andc are three sides of triangle, then by heron's formula, the area is _________________

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Solution

$A r e a o f t h e t r i a n g l e h a v i n g t h e s i d e s a, b a n d c i s g i v e n b y, A r e a = \sqrt{s (s - a) (s - b) (s - c)} w h e r e s = s e m i p e r i m e t e r o f t r i a n g l e = \frac{a + b + c}{2}$

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