SOLUTION: The perimeter of a triangle is 122 cm. If the lengths of the sides of the triangle are (3x – 1) cm, (4x + 2) cm and (2x – 5) cm, what is the length of the longest side?

Algebra ->  Customizable Word Problem Solvers  -> Geometry -> SOLUTION: The perimeter of a triangle is 122 cm. If the lengths of the sides of the triangle are (3x – 1) cm, (4x + 2) cm and (2x – 5) cm, what is the length of the longest side?       Log On

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Question 910400: The perimeter of a triangle is 122 cm. If the lengths of the sides of the triangle are
(3x – 1) cm, (4x + 2) cm and (2x – 5) cm, what is the length of the longest side?

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
(3x – 1)cm + (4x + 2)cm + (2x – 5)cm = 122cm
9x = 126
x = 14cm
length of the longest side (4x+2) = 58cm
and checking...
41 + 58 + 23 = 122cm