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Geometry 2
Term | Definition |
---|---|
Angle | The space (usually measured in degrees) between two intersecting lines or surfaces at or close to the point where they meet. |
Vertex/Vertices | Each angular point of a polygon, polyhedron, or other figure. |
Protractor | An instrument for measuring angles, typically in the form of a flat semicircle marked with degrees along the curved edge. |
Acute Angle | Any angle under 90º. |
Right angle | An angle at exactly 90º |
Obtuse angle | Any angle over 90º |
Straight Angle | an angle of 180°. |