Question

What is the perimeter of A ABC?

Round each step to the nearest tenth.
Enter your answer in the box.

Answer 1

Answer: 11.4

Explanation:

Using the distance formula,

`AC=√((-3-1)^2 + (-1-2)^2)}=5\\\\AB=√((-3-0)^2 +(-1-3)^2)=5\\\\BC=√((1-0)^2 + (2-3)^2)=√(2) \approx 1.4\\\\\implies P \approx 5+5+1.4=\boxed{11.4}`