Triangle, plane, and square are two-dimensional concepts. (D, E, and F)
Segment and line are one-dimensional, and a point has no dimensions.
Answer:
D. Triangle ; E. Plane ; and F. Square
Step-by-step explanation:
A two dimensional object has length and width.
A segment has only length; it is one-dimensional.
A line has only length; it is one-dimensional as well.
A point has neither width nor length.
A triangle has length and width; it is two-dimensional.
A plane has length and width; it is two-dimensional.
A square has length and width; it is two-dimensional.
