Question
Mark used 3 elastic bands to form the sides of triangle FGH where FG = 9 cm, GH = r cm and FH = 4r cm. Caden stretches two of the elastic bands and enlarges triangle FGH. The sides GH and FH are stretched to 3 times its original length. What is the perimeter of the stretched triangle FGH?
2 m

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Mark used 3 elastic bands to form the sides of triangle FGH where FG = 9 cm, GH = r cm and FH = 4r cm. Caden stretches two of the elastic bands and enlarges triangle FGH. The sides GH and FH are stretched to 3 times its original length. What is the perimeter of the stretched triangle FGH?