Question
Jack used 3 rubber bands to form the sides of triangle WXY where WX = 8 cm, XY = z cm and WY = 3z cm. Vaidev stretches two of the elastic bands and enlarges triangle WXY. The sides XY and WY are stretched to 4 times its original length. What is the perimeter of the stretched triangle WXY?
2 m

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Jack used 3 rubber bands to form the sides of triangle WXY where WX = 8 cm, XY = z cm and WY = 3z cm. Vaidev stretches two of the elastic bands and enlarges triangle WXY. The sides XY and WY are stretched to 4 times its original length. What is the perimeter of the stretched triangle WXY?