Question
Will used 3 rubber bands to form the sides of triangle HJK where HJ = 10 cm, JK = d cm and HK = 3d cm. Ahmad 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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Will used 3 rubber bands to form the sides of triangle HJK where HJ = 10 cm, JK = d cm and HK = 3d cm. Ahmad 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?