Question
Elijah used 3 elastic bands to form the sides of triangle BCD where BC = 10 cm, CD = k cm and BD = 3k cm. Will 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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Elijah used 3 elastic bands to form the sides of triangle BCD where BC = 10 cm, CD = k cm and BD = 3k cm. Will 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?