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GEOMERTY ANGLES

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
Acute angle   An angle with a measure greater than 0' and less than 90'.  
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Acute Triangle   A Triangle having three acute angles.  
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Adjacent angles   Angles that have the same vertex, share a common side, and do not overlap.  
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Base   One of the two parallel congruent faces of a prism.  
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Complementary angles   Two angles are Complementary if the sum of their measures are 90'.  
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Cone   A three dimensional figure with one circular base connected by a curved surface to a single vertex.  
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Congruent   Having the same measure.  
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Congruent segments   Sides with the same length.  
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Coplanar   Lines or points that lie in the same plane.  
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Cross Section   The cross section of a solid and a plane.  
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Cylinder   A three dimensional figure with two parallel congruent circular bases connected by a curved surface.  
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Diagonal   A line segment that connects two nonconsecutive vertices.  
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Edge   The line segment when two faces of a polyhedron intersect.  
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Equilateral Triangle   A triangle having three congruent sides.  
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Face   A flat surface of a polyhedron.  
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Isoceles Triangle   A triangle having at least two congruent sides.  
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Obtuse angle   Any angle that measures greater than 90' but less than 180'.  
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Obtuse Triangle   A triangle having one obtuse angle.  
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Plane   A two dimensional flat surface that extends in all directions.  
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Polyhedron   A three dimensional figure with faces that are polygons.  
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Prism   A polyhedron with two parallel congruent faces called bases.  
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Pyramid   A polyhedron with one base that is a polygon and three or more triangular faces that meet at a common vertex.  
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Right angle   An angle that measures exactly 90'.  
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right Triangle   A triangle having one right angle.  
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Scale model   A model used to represent objects that are to large or too small to be built at actual size.  
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Scalene triangle   A triangle having no congruent sides.  
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Straight Angle   An angle that measures exactly 180'.  
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Supplementary angles   Two angles are supplementary if the sum of their measures is 180'.  
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Triangle   A figure with three sides and three angles.  
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Vertex   The point at the tip of the cone.  
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Vertical angles   opposite angles formed by the intersection of two lines. Verticle angles are congruent.  
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Created by: shelbyartley
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