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Geometry
EOG Review
| Term | Definition |
|---|---|
| Translation | A slide of a figure |
| Rotation | A turn of a figure either clockwise or counter-clockwise |
| Reflection | A flip of a figure across an axis or line |
| Dilation | A reduction or enlargement of a figure |
| Congruent | Having the same shape and/or measurement |
| Similarity | Two figures that are the same shape but a different size |
| Exterior Angles | Angles located outside of (above or below) the parallel lines. |
| Interior Angles | Angles located inside of the parallel lines. |
| Alternate Interior Angles | Angles on opposite sides of the transversal located inside the two lines cut by the transversal. They are congruent to each other. |
| Alternate Exterior Angles | Angles on opposite sides of the transversal located outside the two lines cut by the transversal. They are congruent to each other. |
| Corresponding Angles | Angles located in the same relative position on the two lines cut by the transversal. They are congruent to each other. |
| Same-side Interior Angles | Two angles that sit either on the left or the right side of the transversal in between the two parallel lines. |
| Vertical Angles | Opposite angles formed by intersecting lines. These angles are congruent to each other. |
| Complementary | Two angles whose sum is 90˚. |
| Supplementary | Two angles whose sum is 180˚ |
| Transversal | A line that intersects two or more other lines |
| Parallel Lines | Two lines that never intersect (they must run side by side) |
| Right Triangle | A triangle that has one 90 degree angle. |
| Hypotenuse | The longest side of a right triangle that is opposite of the right angle. |
| Legs | The two perpendicular sides that create the right angle. |
| Radius | Extends from the center of the circle to one side of the circle. (It only goes halfway) |
| Volume | The amount of space enclosed inside a figure. (think of filling a pool) |
| Height | Vertical distance (must run up and down) |