Yes it’s a right angle because it has a 90 degree angle. In order for a triangle to be a right angle it needs to have one 90 degree angle. Hope this helps!
Answer:
m = 5/7
Step-by-step explanation:
m = y2-y2/x2-x1
m= 3-(-2)/ 9-2
m= 5/7
I don't think i am doing that.