In a triangle, the long side is double the shortest side and the third side is 3cm less than the longest side. If the perimeter of the triangle is 57cm, find all sides of the triangle
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1st side(shortest side)= x
2nd side (longest side)=2x
third side=2x-3
x+2x+2x-3=57
5x-3=57
5x=60
x=12 cm
first side =x=12cm
second side=2x= 24cm
third side = 2x-3= 21cm
2nd side (longest side)=2x
third side=2x-3
x+2x+2x-3=57
5x-3=57
5x=60
x=12 cm
first side =x=12cm
second side=2x= 24cm
third side = 2x-3= 21cm
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