Hi there!

Find the midpoint using the midpoint formula:
m = (p1 + p2) / 2
m = (-2 + 12) / 2
m = 10 / 2
m = 5.
4+4+6+6=12+8=20
hope this helps
Answer:
if it is the curvy one it is -2 and for the segment/line it is -1.
Step-by-step explanation:
The x coordinate is the answer i don't know why u gave so many points.
That is an isosceles right triangle. (Also known as a 45 45 90 triangle).