An exterior angle is formed by one side of the triangle, and a side EXTENDED outside the triangle. Two angles are like that, ∠4 and ∠2.
Angle 3 is NOT an exterior angle because it is made up of two extended sides. It does not use one of the sides of the triangle.
The answer is (x,y) —> (y,-x)
4.0833 sorry if i’m wrong luv did you want it in a fraction?
8 and 5 and I hate IXL ugh
