Ch 1 Lesson 1 Flashcards
1
Q
point
A
no dimension; represented by a dot
2
Q
line
A
one dimension; represented by a line with two arrowheads; extends without end
3
Q
plane
A
two dimensions; represented by a shape that looks like a floor or a wall; extends without end
4
Q
colinear points
A
points on the same line
5
Q
coplanar points
A
points on the same plane
6
Q
line segment or segment
A
part of a line that consists of wo endpoints and all points on the line between the two endpoints
7
Q
ray
A
part of a line that consists of an endpoint and all points on the line on one side of the endpoint
8
Q
opposite rays
A
two rays that have the same endpoint and form a line
9
Q
intersection
A
the points that two or more figures have in common