The perimeter of an isoscales triangle is 131 by 20 cm. If one of its equal sides is 7 by 5 cm, find the third side.
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Given, equal sides= 7/5 cm
and perimeter= 131/20 cm
let the third side be x cm
the perimeter of triangle =131/20
x+7/5+7/5 = 131/20
x= 131/20-14/5
x=15/4
so, the third side will be 15/4 cm
and perimeter= 131/20 cm
let the third side be x cm
the perimeter of triangle =131/20
x+7/5+7/5 = 131/20
x= 131/20-14/5
x=15/4
so, the third side will be 15/4 cm
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