Question
Howard used 3 elastic bands to form the sides of triangle ZAB where ZA = 6 cm, AB = q cm and ZB = 3q cm. Luke stretches two of the elastic bands and enlarges triangle ZAB. The sides AB and ZB are stretched to 3 times its original length. What is the perimeter of the stretched triangle ZAB?
2 m

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Howard used 3 elastic bands to form the sides of triangle ZAB where ZA = 6 cm, AB = q cm and ZB = 3q cm. Luke stretches two of the elastic bands and enlarges triangle ZAB. The sides AB and ZB are stretched to 3 times its original length. What is the perimeter of the stretched triangle ZAB?