Question
Reggie used 3 elastic bands to form the sides of triangle TUV where TU = 7 cm, UV = t cm and TV = 2t cm. Archie stretches two of the elastic bands and enlarges triangle TUV. The sides UV and TV are stretched to 3 times its original length. What is the perimeter of the stretched triangle TUV?
2 m

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Reggie used 3 elastic bands to form the sides of triangle TUV where TU = 7 cm, UV = t cm and TV = 2t cm. Archie stretches two of the elastic bands and enlarges triangle TUV. The sides UV and TV are stretched to 3 times its original length. What is the perimeter of the stretched triangle TUV?