Question

find the perimeter. simplify your answer.

Explanation:

Step1: Recall perimeter formula

The perimeter \( P \) of a triangle is the sum of its three sides. So \( P=(x - 1)+4+x \).

Step2: Combine like terms

Combine the \( x \) terms and the constant terms: \( x+x-1 + 4=2x+3 \).

Answer:

\( 2x + 3 \)