Question

x + 2 2x 2x - 1 5x+3 5x+1

Explanation:

Step1: Recall perimeter formula

The perimeter \(P\) of a triangle is the sum of the lengths of its sides. So \(P=(x + 2)+(2x-1)+2x\).

Step2: Combine like - terms

\((x+2x + 2x)+(2 - 1)=5x+1\)

Answer:

\(5x + 1\)