Megan is constructing the bisector of ab¯¯¯¯¯. she has already constructed two arcs as shown. what should megan do for her next step? use the straightedge to draw xy←→. place the point of the compass on point a and draw an arc, using ax as the width for the opening of the compass. place the point of the compass on point x and draw an arc, using ax as the width for the opening of the compass. use the straightedge to draw ax←→ and bx←→.