Answer:
65
Step-by-step explanation:
Your answer should be 2.22
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.
Tell Me if I'm Wrong But I Believe It's 198m3