Question

The sides of a triangle measure 2x + 5, X – 4, and

3(2x + 1). What is the perimeter of the triangle?

Answer 1

9x+4

Explanation:

perimeter= sum of all sides

perimeter= (2x+5)+ (x-4)+ 3(2x+1)

= 2x+5+x-4+ 6x+3

= 2x+x+6x+5+3-4

= 9x+8-4

=9x+4