Calculate the distance between the points N=(-8, -2) and K =(-5, 2) in the coordinate plane​

Alex drew a circle with right triangle prq inscribed in it, as shown below: the figure shows a circle with points p, q, and r on it forming an inscribed triangle. side pq is a chord through the center and angle r is a right angle. arc qr measures 80 degrees.

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

What term makes it inconsistent y=2x - 4