Question

find the perimeter of triangle whose sides are 2x+3 , 4x+7 , 9x

Answer 1

hope this helps u

perimeter of a triangle = side 1+side 2 +side 3

here

side 1 = 2x+3

side 2= 4x+7

side 3 = 9x

perimeter of a triangle=2x+3+4x+7+9x

                                     = 15x+10

perimeter of a triangle=15x+10