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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 is 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 measures is 90 degrees |
| cone | a three-dimension 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 relation to a transversal |
| cross section | the intersection of a solid and a plane |
| cylinder | a three-dimension figure with two parallel congruent circular bases connected by a curved surface |
| edge | the line segment where two faces of a polyhedron intersects |
| 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 ll 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 complex 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 a actual size |
| scale factor | a scale written as a ration without units in simplest form |
| scale model | a model used to represent objects that are too large or too small to be built at a actual size |
| scalene triangle | a triangle having no congruent sides |
| straight angle | an angle that measures exactly 180 degrees |
| supplementary angles | two angles are supplementary if the sum of their measures is 180 degrees |
| transversal | a line that intersects two or more lines |
| triangle | a figure with three sides and three angles |
| vertex | the point where three or more faces of a polyhedron intersect |
| vertical angles | opposites angles formed y the intersection of two lines vertical angles are congruent |
| vertices | plural of vertex |
| zero angle | an angle that measures exactly 0 degrees |
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