I believe that your answer is correct
According to my examination I have confirmed that I do NOT repeat do NOT know this.
Answer:
5r
Step-by-step explanation:
(8r + 5) - (3r + 5)
8r + 5 - 3r - 5
5r
The perimeter of the triangle is 13.56 units.
The perimeter of a shape on a coordinate plane is found by finding the distance between all points, and then adding them together. It's easier to write it out than to type so I'll attach a photo of my work.