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Mod 11

QuestionAnswer
straight angle An angle that measures exactly 180 °
vertical angles Opposite angles formed by the intersection of two lines. Vertical angles are congruent.
vertex The point where three or more faces of a polyhedron intersect.
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.
base One of the two parallel congruent faces of a prism.
complementary angles Two angles are complementary if the sum of their measures is 90°.
pyramid A polyhedron with one base that is a polygon and three or more triangular faces that meet at a common vertex.
plane A two-dimensional flat surface that extends in all directions.
cross section The intersection of a solid and plane.
scale The scale that gives the ratio that compares the measurements of a drawing or model to the measurements of
scale drawing A drawing that is used to represent objects that are too large or too small to be drawn at actual size.
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.
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 relation to a transversal.
cross section The intersection of a solid and 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.
parallel lines Lines in the same plane that never intersect or cross. The symbol || means parallel.
perpendicular lines Two lines that intersect to form right angles.
polyhedron A three-dimensional figure with faces that are polygons.
prism A polyhedron with two parallel congruent faces called bases.
remote interior angles The angles of a triangle that are not adjacent to a given exterior angle.
supplementary angles Two angles are supplementary if the sum of their measures is 180°.
scalene triangle A triangle having no congruent sides.
transversal A line that intersects two or more other lines.
scale factor The ratio of the lengths of two corresponding sides of two similar polygons.
scale model A model used to represent objects that are too large or too small to be built at actual size.
triangle A figure with three sides and three angles.
vertices Plural of vertex.
zero angle An angle that measures exactly 0 degrees.
Created by: user-1981830
 

 



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