# Constructing a Rectangle

Construct segment AB
Construct a perpendicular line through point A.
Put point C on this line
Construct a perpendicular line through point B.
Construct a perpendicular line through point C.
Place point D at the intersection of the perpendicular lines.
Hide the 3 lines and then construct the segments.

Measure the 4 angles and length of the 4 segments

What is the measure of each angle?

Are there any segments that are congruent?