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Basics of Geometry
Geometry unit 1 (fairhope)
| Question | Answer |
|---|---|
| Acute Angle | An angle with measure between 0 degrees and 90 degrees. |
| Adjacent Angles | Two angles with a common vertex and side but no common interior points. |
| Angle | Consists of two different rays that have the same initial point. |
| Angle Bisector | A ray that divides an angle into two adjacent angles that are congruent. |
| Bisect | To divide into two congruent parts. |
| Collinear | Points that lie on the same line. |
| Compass | A construction tool used to draw arcs. |
| Complementary Angles | Two angles whose measures have the sum of 90 degrees. |
| Congruent Segments | Segments with the same length. |
| Coplanar | Points, lines, rays, or segments that lie in the same plane. |
| intersect | To have one or more points in common. |
| line | Exists in one dimension and extends without end in opposite directions. |
| linear pair | Two adjacent angles whose non common sides are opposite rays. |
| midpoint | A point that bisects a segment into two congruent parts. |
| obtuse angle | An angle with measure between 90 degrees and 180 degrees. |
| plane | Exists in two dimension and extends in all directions without end. |
| point | A location that has no dimension. |
| ray | Part of a line that consists of an initial point and all points extending from that point. |
| segment | Part of a line that consists of two endpoints and all the points between. |
| supplementary angles | Two angles whose measures have the sum of 180 degrees. |
| vertical angles | Two angles whose sides form two pair of opposite rays. |
| Linear Pair Postulate | If two angles form a linear pair, then they are supplementary. |
| Vertical Angles Theorem | Vertical Angles are Congruent. |
| theorem | A true statement that follows as a result of other true statements. |
| Geometry | The mathematics of the properties, measurement, and relationships of points, lines, angles, surfaces, and solids. |
| opposite rays | Two rays that have a common endpoint and form a straight line. |
| pi | The ratio of Circumference to diameter. |
| postulate | A geometry rule that is excepted as true without proof. |
| reflection | A transformation across a line in which the image is the same distance from the line as the preimage. |
| transformation | A change in the position, size or shape of a figure. |
Created by:
kathy.williams
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