Question
Ryan used 3 elastic bands to form the sides of triangle CDE where CD = 7 cm, DE = t cm and CE = 3t cm. Rael stretches two of the elastic bands and enlarges triangle CDE. The sides DE and CE are stretched to 2 times its original length. What is the perimeter of the stretched triangle CDE?
2 m

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Ryan used 3 elastic bands to form the sides of triangle CDE where CD = 7 cm, DE = t cm and CE = 3t cm. Rael stretches two of the elastic bands and enlarges triangle CDE. The sides DE and CE are stretched to 2 times its original length. What is the perimeter of the stretched triangle CDE?