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Response from Антон Владимирович[+++++]
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x is the base 5x is the side. Perimeter: x + 5x + 5x= 55 11x= 55 x= 5 - base 5*5= 25 - side
x is the base 5x is the side. Perimeter: x + 5x + 5x= 55 11x= 55 x= 5 - base 5*5= 25 - side