Question

find the perimeter of the given triangle 3x-7, 2x+5 and -x+11​

Answer 1

Answer:

We know that,

Perimeter of triangle=Sum of all sides

Given,

First side=3x-7

Second side=2x+5

Third side=-x+11

According to question,

Perimeter of triangle=3x-7+2x+5-x+11

=4x+9

Hence,

Perimeter of triangle=4x+9

I hope it will help you.