Question
Elijah used 3 stretchable bands to form the sides of triangle HJK where HJ = 8 cm, JK = r cm and HK = 2r cm. Fabian stretches two of the elastic bands and enlarges triangle HJK. The sides JK and HK are stretched to 2 times its original length. What is the perimeter of the stretched triangle HJK?
2 m

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Elijah used 3 stretchable bands to form the sides of triangle HJK where HJ = 8 cm, JK = r cm and HK = 2r cm. Fabian stretches two of the elastic bands and enlarges triangle HJK. The sides JK and HK are stretched to 2 times its original length. What is the perimeter of the stretched triangle HJK?