Mathematics, 17.02.2021 20:10 GaryCarmine

A triangle has side lengths of (9d+4)(9d+4) centimeters, (9d+2)(9d+2) centimeters, and (3f-2)(3f−2) centimeters. Which expression represents the perimeter, in centimeters, of the triangle?

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A triangle has side lengths of (9d+4)(9d+4) centimeters, (9d+2)(9d+2) centimeters, and (3f-2)(3f−2)...