Area of a triangular plot a, b and isA√[s(s-a)+(s-b)+(s-c)]B√[s(s+a)(s+b)(s+c)]C√[s(s-a)(s-b)(s-c)]D√[s(s+a)+(s+b)+(s+c)]Answer: C. √[s(s-a)(s-b)(s-c)]