Question
Billy used 3 stretchable bands to form the sides of triangle WXY where WX = 10 cm, XY = c cm and WY = 2c cm. Vincent 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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Billy used 3 stretchable bands to form the sides of triangle WXY where WX = 10 cm, XY = c cm and WY = 2c cm. Vincent 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?