Answer :
My graphing calculator tells me its not a right angle but if i were to take an educated guess it would be vortex A.
Hope this helps
Hope this helps
Vertex((5,-4)
If you draw all the points on the coordinate and connect the points, a right triangle is formed with the right angle on the coordinate (5,-4)
If you draw all the points on the coordinate and connect the points, a right triangle is formed with the right angle on the coordinate (5,-4)