The segment AB is perpendicular to the segment CD because the two angles it creates are each 90 degrees .
A line is said to be perpendicular to another line if the two lines intersect at a right angle . The segment AB can be called the perpendicular from A to the segment CD . The point B is called the foot of the perpendicular from A to segment CD or simply , the foot of A on CD .If a first line is perpendicular to a second line , then the second line is also perpendicular to the first .
To learn more on perpendicular lines :
https://brainly.com/question/1202004
#SPJ9
