Mathematics, 27.10.2019 17:43 valdezavery1373

The perimeter of a rectangle is 40cm. one side measures 6 cm and its adjacent side measures (x+y) cm. the perimeter of an equilateral triangle is 60 cm. the measure of each side is ( x+2y) cm. write a system of equations and solve for x and y.

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The perimeter of a rectangle is 40cm. one side measures 6 cm and its adjacent side measures (x+y) cm...