31. When copying line segment AB using straightedge and a compass, the compass should be used to:
A. Draw an arc above point A
B.Measure the length of segment AB
C. Drew an arc between point A and point B
D. Measure half the length of line segment AB


32.What is the first step in constructing a regular pentagon inscribed in a circle? A Draw a diameter of a circle.
B. Draw the perpendicular bisector of the radius.
C. Construct a line perpendicular to the diameter.
D. Mark a point where the bisector intersects the circle​