Question

A triangle has side lengths of (5k - 3) centimeters, (k+ 1) centimeters, and (m - 7) centimeters. Which expression represents the perimeter, in centimeters, of the triangle?

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Answer 1

perimeter of the triangle : add the lengths of the 3 sides

P = k+1+5k-3+m-7

P = 6k+m-9(cm)

Explanation: