Two sides of a triangle are in the ratio 15:14and third side is 26cm long.If the semi perimeter of that triangle is 42 cm.find its area
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Answered by
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Semiperimeter, S=18 cm
Let the side of the triangle be a,b,c such that
a=16 cm, b=14 cm
S=
2
a+b+c
=
2
16+14+c
18=
2
30+c
c=36−30=6 cm
Therefore, third side of triangle is 6 cm
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