Two equal sides of an icoseles triangle are (3x-1)units and (2x=2) units. The third side is 2x units .Find x and the perimeter of the triangle
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3x-1=2x+2
x=3
so the sides are 3x-1=8
2x+2=8
2x=6
so perimeter of triangle=6+8+8=22
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