Answer:
Step-by-step explanation:
1.open the compass more than half of the distance between C and D, and scribe arcs of the same radius centered at C and D.
2. Call the two points where these two arcs meet A and B. Draw the line between A and B.
3. AB is the perpendicular bisector of the line segment CD. Call the point where AB intersects CD E.
This website offers a pretty good explanation:
https://web.sonoma.edu/users/w/wilsonst/courses/math_150/c-s/Perp-Bisect.html
