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Unit 1
Basics of Geometry
| Term | Definition |
|---|---|
| a straight line | angle whose measures to 180 degrees |
| angle bisector | a ray that divides an angle into two congruent adjacent angles. |
| supplementary angles | two angles whose sum is 180 degrees. |
| a point | is a physical location in space that has no dimensions (length, width or height) and often labeled with |
| an equilateral triangle | triangle with all sides congruent. |
| radius | segment whose endpoints are the center of the circle and a point on the circle. |
| complimentary angles | two angles whose sum is 90 degrees. |
| vertical angles | the opposite (non-adjacent) angles formed by two intersecting lines. |
| perpendicular lines | two lines that intersect to form right angles |
| obtuse angle | angle whose measure is greater than 90 degrees but less than 180 degrees. |
| acute angle | angle whose measure is between 0 degrees and 90 degrees. |
| segment bisector | a segment that divides a segment into two congruent segments. |
| a right angle | angle whose measure is 90 degrees. |
| colinear | Three or more points that fall on the same straight line. |
| perpendicular bisector | a line that bisects a line segment forming a right angle. |
| midpoint | a point that divides the segment into two congruent halves |
| distance | the length of a straight line segment that connects two points. |
Created by:
atamadon