(plz ! 50 points! ) what is the length of the line segment pq on the coordinate grid? (a) 10 units (b) 20 units (c)30 units (d)50 units

I would say 50 units

“exterior angles of triangles. an exterior (or external) angle is the angle between one side of a triangle and the extension of an adjacent side. try this drag the orange dots on any vertex to reshape the triangle.” look to get to the answer i explained what it means and other things i hope it you .