Louis is constructing the perpendicular
bisector of gh he has already constructed
an arc as shown
what should louis do for his next step?

place the point of the compass on
point g and draw an arc, using gp
as the width for the opening of the
compass

place the point of the compass on
point g and draw an arc, using the
same width for the opening of the
compass as the first arc.

place the point of the compass on point g and draw an arc, using gh as the width for the opening of the compass

place the point of the compass on point p and draw an arc, using gp as the width for the opening of the compass