Perpendicular lines are lines that meet at 90 degrees.
EH is not perpendicular to FG because both lines do not meet at right angles (90 degrees)
Therefore, EH ⟂ FG = False
Parallel lines are two lines that do not meet in the same plane
DH is parallel to FB because both lines cannot meet
DH // FB = True
Points are coplanar if they belong to the same plane
Points D, C, E anf F do not belong to the same plane, therefore they are not coplanar
Points D, C, E and F are coplanar = false
Points are colinear if they lie on the same line
Points A, C, and H do not lie on a single line, they are not colinear.
Points A, C, and H are colinear = False