Answers

2014-05-23T07:44:50+05:30
√s(s-a)(s-b)(s-c)
where s=a+b+c/2
0
2014-05-23T10:09:20+05:30
 use Heron's formula √[s(s-a)(s-b)(s-c)] , where s = (1/2)(a+b+c). 
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