Question

Find the perimeter of a triangle whose sides are 2m + n, 7m +4n and 3m -2n.​

Answer 1

Answer: 12m + 3n

Step-by-step explanation:

Side one = 2m + n

Side two =7m + 4n

Side three= 3m -2n

Perimeter of triangle = side+side+side

                                  =2m + n + 7m + 4n + 3m -2n

                                  =12m + 3n

Answer 2

Answer:

Step-by-step explanation:

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