Graph thingy is in picture. look at the figure. which step should be taken next to construct a line through point p perpendicular to ba place the compass on point p. open the compass to a point between point p and point a. place the compass on point a. open the compass to point p. place the compass on point a. open the compass to a point between point p and point b. place the compass on point p. open the compass to point b.