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vocab
| Term | Definition |
|---|---|
| Acute Angle | with measure between 0* and 90* |
| Acute triangle | has 3 acute angles |
| Angle | is formed by 2 ray with a common end point called a vertex |
| Center of rotation | is a fixed point about which a figure is rotated |
| Complementary angles | are an |
| Acute Angle | with measure between 0* and 90* |
| Acute triangle | has 3 acute angles |
| Angle | is formed by 2 ray with a common end point called a vertex |
| Center of rotation | is a fixed point about which a figure is rotated |
| Complementary angles | are angles that have the same measure |
| congruent angles | are angles that have the same measure |
| congruent figures | are figures with the same size and shape |
| congruent segments | segment that have the same length |
| degrees | Angles are measured in units |
| Equilateral Triangle | us a triangle with 3 congruent sides. |
| Image | is the result of a transformation of a point, line, or figure |
| Intersecting Lines | lie in the same plane and have one point in common. |
| Irregular Polygon | Is a polygon with sides that are not all congruent and/or angles that are not all congruent. |
| Isosceles Triangle | Is a triangle with at least two congruent sides |
| Line | Is a series of points that extends in two opposite directions without end |
| Line Of Reflection | is a line over which a figure is reflected |
| Line Of Symmetry | Divides a figure into mirror images |
| Line Symmetry | When one side is the mirror image of the other side |
| Obtuse Angle | Is an angle with a measure greater than 90 and less than 180 |
| Obtuse Triangle | Is a triangle with one obtuse angle |
| Parallel Line | Are lines in the same plane that never intersect |
| Parallelogram | Is a quadrilateral with both pair of opposite parallel. |
| Perpendicular Line | intersect to from right angles |
| Plane | Is a flat surface with no thickness that extends without end in all directions on the surface |
| Point | Is a location that has no size |
| Polygon | Is a closed figure formed by three or more line segments that do not cross |
| Quadrilateral | Is a polygon with four sides |
| Ray | Is a part of a line |
| Rectangle | is a parallelogram with right angles |
| Reflection | Is a transformation that flips a figure over a line of reflection |
| Regular Polygon | Is a polygon with all sides congruent and all angles congruent. |
| Rhombus | Is a parallelogram with 4 congruent sides |
| Right Angle | Is an angle with a measure of 90 |
| Right Triangle | Is a triangle with one right angle |
| Rotation | Is a transformation that turns a figure about a fixed point called the center of rotation |
| Scalene triangle | Is a triangle with no congruent sides |
| Segment | Is part of a line |
| Similar Figures | if their corresponding angles have the same measure and the lengths of their corresponding sides are proportional |
| Skew Lines | Are neither parallel nor intersecting |
| Square | Is a parallelogram with 4 right angles and 4 congruent sides |
| Straight Angle | Is an angle with a measure of 108 |
| Supplementary Angle | 2 angle supplemen |
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