|
|
|
1
|
an angle that measures between 90 and 180 degrees
|
|
2
|
used to measure angles
|
|
3
|
an angle that measures between 0 and 90 degrees
|
|
5
|
a flat surface that extends indefinitely in all directions
|
|
6
|
two lines that intersect to form four right angles
|
|
8
|
has one dimension, extends indefinitely in both directions
|
|
9
|
the portion of a line between any two points
|
|
11
|
has a starting point and extends forever in one direction
|
|
14
|
an angle that measures exactly 180 degrees
|
|
18
|
use to measure lines
|
|
20
|
has no dimension, an exact location (a dot)
|
|
|
