Question
Ken used 3 elastic bands to form the sides of triangle HJK where HJ = 10 cm, JK = t cm and HK = 3t cm. Asher stretches two of the elastic bands and enlarges triangle HJK. The sides JK and HK are stretched to 4 times its original length. What is the perimeter of the stretched triangle HJK?
2 m

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Ken used 3 elastic bands to form the sides of triangle HJK where HJ = 10 cm, JK = t cm and HK = 3t cm. Asher stretches two of the elastic bands and enlarges triangle HJK. The sides JK and HK are stretched to 4 times its original length. What is the perimeter of the stretched triangle HJK?