Question
Ethan used 3 stretchable bands to form the sides of triangle BCD where BC = 8 cm, CD = f cm and BD = 3f cm. Dylan stretches two of the elastic bands and enlarges triangle BCD. The sides CD and BD are stretched to 3 times its original length. What is the perimeter of the stretched triangle BCD?
2 m

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Ethan used 3 stretchable bands to form the sides of triangle BCD where BC = 8 cm, CD = f cm and BD = 3f cm. Dylan stretches two of the elastic bands and enlarges triangle BCD. The sides CD and BD are stretched to 3 times its original length. What is the perimeter of the stretched triangle BCD?