Question
Michael used 3 elastic bands to form the sides of triangle LMN where LM = 6 cm, MN = f cm and LN = 4f cm. Elijah stretches two of the elastic bands and enlarges triangle LMN. The sides MN and LN are stretched to 3 times its original length. What is the perimeter of the stretched triangle LMN?
2 m

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Michael used 3 elastic bands to form the sides of triangle LMN where LM = 6 cm, MN = f cm and LN = 4f cm. Elijah stretches two of the elastic bands and enlarges triangle LMN. The sides MN and LN are stretched to 3 times its original length. What is the perimeter of the stretched triangle LMN?