SOLUTION: A triangle has sides 3x + 7, 4x + 9, and 5x + 6. Find the expression that represents its perimeter.

Algebra ->  Triangles -> SOLUTION: A triangle has sides 3x + 7, 4x + 9, and 5x + 6. Find the expression that represents its perimeter.      Log On


   

Question 64933: A triangle has sides 3x + 7, 4x + 9, and 5x + 6. Find the expression
that represents its perimeter.
Answer by 303795(602) About Me  (Show Source):
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Find the perimeter of a triangle by adding the lengths of the three sides.
Perimeter = (3x + 7) + (4x + 9) + (5x + 6)
Perimeter = 3x + 7 + 4x + 9 + 5x + 6
Perimeter = 12x + 22