Lines and Stuff
An exact location in space
point
Two rays joined at a vertex
angle
a polygon with three sides
perpendicular to the horizon of the earth
vertical
7 x 4
28
A straight path that extends forever
Line
lines or segments that cross one another
intersecting
a polygon with five sides
pentagon
slanted, neither vertical or horizontal
diagonal
4 x 9
36
A part of a line with two endpoints
Line Segment
lines or segments that cross to form a right angle
perpendicular
a polygon with six sides
hexagon
a 2-dinensionals closed figure formed from 3 or more lined segments that intersect at their enpoints
polygon
17 x 2
34
A part of a line with one endpoint
ray
lines or segments that stay the same distance apart and never cross
parallel
a polygon with nine sides
nonagon
a polygon with congruent sides and angles
regular polygon
111 + 444
555
A flat surface that extends without end in all directions
plane
parallel to the horizon of the earth
horizontal
a polygon with decagon sides
decagon
a polygon with sides and angles that are not congruent
irregular polygon
800 x 4
3,200