Question
Ben used 3 rubber bands to form the sides of triangle YZA where YZ = 10 cm, ZA = a cm and YA = 3a cm. Howard stretches two of the elastic bands and enlarges triangle YZA. The sides ZA and YA are stretched to 2 times its original length. What is the perimeter of the stretched triangle YZA?
2 m

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Ben used 3 rubber bands to form the sides of triangle YZA where YZ = 10 cm, ZA = a cm and YA = 3a cm. Howard stretches two of the elastic bands and enlarges triangle YZA. The sides ZA and YA are stretched to 2 times its original length. What is the perimeter of the stretched triangle YZA?