Terms : Hide Images
| 310363913 | plane | a flat surface of points that goes on forever in all directions | |
| 310363914 | complementary angles | two angles whose sum measures 90 degrees | |
| 310363915 | line segment | an infinite number of points that has two distinct end points | |
| 310363916 | supplementary | two angles whose sum measures 180 degrees | |
| 310363917 | ray | an infinite set of points that starts at a point and goes on forever | |
| 310363918 | obtuse angle | an angle whose measure is greater than 90 degrees and less than 180 |  |
| 310363919 | bisect | to cut into two congruent parts | |
| 310363920 | line | an infinite number of points that goes on forever in both directions |  |
| 310363921 | acute angle | an angle whose measure is greater than 0 degrees and less than 90 degrees |  |
| 310363922 | right angle | an angle formed by two perpendicular lines, the measure of which is 90 degrees |  |
| 310363923 | straight angle | an angle whose measure is 180 degrees |  |
| 310363924 | vertex | the point of intersection of the two rays that form the sides of the angle |  |
| 310363925 | angle | a geometric figure formed by two rays that have a common endpoint |  |
| 310363926 | collinear | points that lie on the same line | |
| 310363927 | coplanar | any three or more points that lie in the same plane | |
| 310363928 | perpendicular | lines that intersect to form right angles |  |
| 310363929 | congruent | having the same size and shape |  |
| 310363930 | point | a location in space (it has no dimensions) | |
| 310363931 | midpoint | The point that divides a segment into two congruent segments. | |
| 310363932 | intersect | to meet at a point |  |
