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Geometry Cards 66-77
Geometry Note Cards 66-77 (12cards)
| Question | Answer |
|---|---|
| exterior\interior (figure on notecard) | interior and exterior of an angle |
| 1. 90degrees 2. <90degrees 3. >90degrees but <180degrees | 1. right angle 2. acute angle 3. obtuse angle |
| If a point is between two other points on a line, then two opposite rays are formed. | opposite rays |
| 1. describe positions. 2. measured clockwise from north. | bearings |
| 1. directed line segment. 2 measured counter clockwise from the horizontal (the positive x-axis) 3. symbol (figure on notecard) | vector Symbol |
| 1. beginning point of a vector. 2. ending point of a vector. | 1. origin of a vector 2. endpoint of a vector |
| have the same direction and the same length. | equal vector |
| For vector sums, the following is true: XY+YB=XB. equal meaning that they start and end in the same places. | vector sums |
| a transformation that moves all the points in a plane a fixed distance in a given direction. | translation |
| Its direction slows the direction of the translation, and its length gives the distance each point travels. | translation vector |
| 1. A. the orientation of the figure. B. any property that has to do with the size of the figure: a. lengths of sides b. measures of angles. c. area and perimeter. 2. location of the figure. | 1. properties preserved by translations. 2. properties NOT preserved by translations. |
| Examples: <4,2> means to move the point 4 right and 2 up. <-3,5> means to move the point 3 left and 5 up. <-6,-1> means to move the point 6 left and 1 down. | symbol for a translation vector on a coordinate plane |
Created by:
P.V.A.