What is the perimeter of a triangle with the given side lengths?
s1 = 2x + 1 cm
s2 = 3x + 2 cm
s3 = x + 3 cm

+1

(1) Answers

mmmxvii

To find the perimeter of a triangle, you add all the sides.
(2x +1) + (3x+2) + (x+3)
next find all the common variables
2x, 3x, and x
add them together to get
6x
Add 1,2, and 3
6
so your answer is 6x +6
Hope this helps! :)