find the area of triangle which have sides 12cm,9.6cm and 7.2cm
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Use Heron's Formula
s=(a+b+c)/2
Area =[s (s-a)(s-b)(s-c)]^(1/2)
s=(a+b+c)/2
Area =[s (s-a)(s-b)(s-c)]^(1/2)
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