Question
Harry used 3 elastic bands to form the sides of triangle JKL where JK = 9 cm, KL = w cm and JL = 4w cm. Fred stretches two of the elastic bands and enlarges triangle JKL. The sides KL and JL are stretched to 4 times its original length. What is the perimeter of the stretched triangle JKL?
2 m

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Harry used 3 elastic bands to form the sides of triangle JKL where JK = 9 cm, KL = w cm and JL = 4w cm. Fred stretches two of the elastic bands and enlarges triangle JKL. The sides KL and JL are stretched to 4 times its original length. What is the perimeter of the stretched triangle JKL?