side of the triangle are in the ratio of 12:8:10 and it's perimeter is 300m find its area by herons formula fast
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Explanation:
sides = 12x 8x+10x
perimeter = 300m= 12x +8x+10x
30x=300m
x =10
and sides are 120,80,100
semi perimeter =300/2=150
area of triangle=√{150(150-120)(150-80)(150-100}
=√150*30*70*50
=150√70
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