Question

The following triangle shows the length of each side using expressions.

2n +7
2n +7
3n
a. Write an expression in simplest form to represent the perimeter of the triangle above. Show all work.

b. If n = 8, find the perimeter of the triangle. Show all work.

Answer 1

Answer:

A). 2(2n+7)+3n

B). 2(2(8)+7)+3(8)
2(16+7)+ 24
2(23)+24
46+24
70