the side of a triangle is 13,14,15 its area is
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underroot s×s-a ×s-b ×s-c
under root 21×21-13×21-14×21-15
84
under root 21×21-13×21-14×21-15
84
dangra:
yes the answer is 84
one more question
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1
84m^2
firstly find semi perimeter
semi perimeter(s)=sum of all sides/2
then put it in formula
=√s(s-a)(s-b)(s-c)
firstly find semi perimeter
semi perimeter(s)=sum of all sides/2
then put it in formula
=√s(s-a)(s-b)(s-c)
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