What is the perimeter of triangle PQR shown below?
6x + 3 units
5x + 9 units
6x – 3 units
5x – 9 units

Answer:
P=6x-3 units
Correct answer: Third option
Step-by-step explanation:
Perimeter of a Triangle
Given a triangle of sides a,b,c. The perimeter is the sum of its sides, i.e.
P=a+b+c
The triangle shown in the figure has sides of values x+3, 2x-1, 3x-5. The perimeter is
P=x+3+2x-1+ 3x-5
Joining like terms:
P=6x-3 units
Correct answer: Third option