find the area of a triangle whose length of side are 10cm ,12cm,and 14cm resot. use heron's formula
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76
a = 10
b = 12
c = 14
s = (10+12+14)/2 = 18
Area = √[s(s-a)(s-b)(s-c)]
= √[18(10)(12)(14)]
= √332640
= 12√2310
= 576.75
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