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Mod 11 Vocab
| Term | Definition |
|---|---|
| Adjacent Angles | Angles that have the same vertex, share a common side, and do not overlap. |
| Alternate Exterior Angles | Exterior angles that lie on opposite sides of the transversal. |
| Alternate Interior Angles | Interior angles that lie on opposite sides of the transversal. |
| Bases | One of the two parallel congruent faces of a prism. |
| Complementary Angles | Two angles are complementary if the sum of their measure is 90 degrees. |
| Cone | A three-dimensional figure with one circular base connected by a curved surface to a single point. |
| Congruent | Having the same measure; if one image can be obtained from another by a sequence of rotations, reflections, or translations. |
| Corresponding Angles | Angles that are in the same position on two parallel lines in a relation to a transversal. |
| Cross Section | The intersection of a solid and a plane. |
| Cylinder | A three-dimensional figure with two parallel congruent circular bases connected by a curved surface. |
| Edge | The line segment where two faces of a polyhedron intersect. |
| Exterior Angles | The four outer Angles formed by two lines cut by a transversal. |
| Face | A flat surface of a polyhedron. |
| Interior Angles | The four inside angles formed by two lines cut by a transversal. |
| Line Segment | Part of a line containing two endpoints and all of the points between them. |
| Parallel Lines | Lines in the same plane that never intersect or cross. The symbol II means parallel. |
| Perpendicular Lines | Two lines that intersect to form right angles. |
| Plane | A two-dimensional flat surface that extends in all directions. |
| Polyhedron | A three-dimensional figure with faces that are polygons. |
| Prism | A polyhedron with two parallel congruent faces called bases. |
| Pyramid | A polyhedron with one base that is a polygon and three or more triangular faces that meet at a common vertex. |
| Remote Interior Angles | The angles of a triangle that are not adjacent to a given exterior angle. |
| Scale | The scale that gives the ratio that compares the measurements of a drawing or model to the measurements of the real object. |
| Scale Drawings | A drawing that is used to represent objects that are too large or too small to be drawn at actual size. |
| Scale Factor | A scale written as a ratio without units in simplest form. |
| Scale Model | A model used to represent objects that are too large or too small to be built at actual size. |
| Scalene Triangle | A triangle having no congruent sides. |
| Straight Angle | An angle that measures exactly 180. |
| Supplementary Angles | Two angles are supplementary if the sum of their measures is 180. |
| Transveral | A line that intersects two or more other lines. |
| Vertex | The point where three or more faces if a polyhedron intersect/A vertex of an angle is the common endpoint of the rays forming the angle. |
| Vertical Angles | Opposites angles formed by the intersection of two lines. Vertical angles are congruent. |
| Vertices | Plural of vertex. |
| Zero Angle | An angle that measures exactly 0 degrees. |