Math Glossary:
Bolded words are current Chapter Vocabulary
Bolded words are current Chapter Vocabulary
Adjacent Interior Angle: (Noun) Two angles that share a common side and a common vertex, but do not overlap (google.com)
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Alternate Angles (Interior and Exterior): (Noun) two angles, not adjoining one another, that are formed on opposite sides of a line that intersects two other lines. If the original two lines are parallel, the alternate angles are equal. (google.com)
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Arc Measure: The angle in degrees that an arc creates. (http://ceemrr.com/Geometry2/Arc_Measure/Arc_Measure.htm)
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Bisect: (Verb) divide into two parts. (google.com)
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Central Angle: A central angle is an angle whose vertex is the center of a circle, and whose sides pass through a pair of points on the circle, thereby subtending an arc between those two points whose angle is (by definition) equal to the central angle itself (google.com)
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Chord: (Noun) A line that links two points on a circle or curve. (pronounced "cord" (link)
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Circumcenter: In geometry, the circumscribed circle or circumcircle of a polygon is a circle which passes through all the vertices of the polygon (google.com)
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Coincide: (Verb) occur at or during the same time. (google.com)
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Compass: (Noun) an instrument containing a magnetized pointer that shows the direction of magnetic north and bearings from it. (google.com)
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Complementary Angle: (Noun) either of two angles whose sum is 90°. (google.com)
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Concentric: (Adjective) of or denoting circles, arcs, or other shapes that share the same center, the larger often completely surrounding the smaller. (Google.com)
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Congruent: (Adjective) (of figures) identical in form; coinciding exactly when superimposed. (Google.com)
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Conjecture: an educated guess or opinion; a hypothesis (http://library.thinkquest.org/2647/geometry/glossary.htm)
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Cone: (Noun) a solid or hollow object that tapers from a circular or roughly circular base to a point. (Google.com)
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Construct: (Verb) build or erect (Google.com)
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Corresponding Angles: (Noun) the angles that occupy the same relative position at each intersection where a straight line crosses two others. If the two lines are parallel, the corresponding angles are equal. (Google.com)
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Converse: Converse means the "if" and "then" parts of a sentence are switched. For example, "If two numbers are both even, then their sum is even" is a true statement. The converse would be "If the sum of two numbers is even, then the numbers are even," which is not a true statement.
(http://www.learner.org/courses/learningmath/geometry/keyterms.html#c) |
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Convergence: (Noun) the process or state of converging. (Google.com)
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Converse: (Noun) The assertion of the reverse order of implication or category of a statement
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Counterexample: refutation by example (Google.com)
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Cross Section: (Noun) A cross section is the face you get when you make one slice through an object. (http://www.learner.org/courses/learningmath/geometry/keyterms.html)
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Cylinder: (Noun) a solid geometric figure with straight parallel sides and a circular or oval section. (Google.com)
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Diameter: (Noun) a straight line passing from side to side through the center of a body or figure, esp. a circle or sphere. (Google.com)
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Exterior Angles: (Noun) the angle between a side of a rectilinear figure and an adjacent side extended outward. (Google.com)
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Face: (Noun) A face is a polygon by which a solid object is bound. For example, a cube has six faces. Each face is a square. (http://www.learner.org/courses/learningmath/geometry/keyterms.html)
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Flowchart: (Noun) a diagram of the sequence of movements or actions of people or things involved in a complex system or activity. (Google.com)
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Included Angle: (Noun) The angle made by two lines with a common vertex (http://www.mathopenref.com/angleincluded.html)
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Isosceles Triangle: a triangle with two equal sides (Google.com)
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Kite: (Noun) a toy consisting of a light frame with thin material stretched over it, flown in the wind at the end of a long string. (Google.com)
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Line: (Noun) a long, narrow mark or band. (Google.com)
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Linear Pair: The two supplementary adjacent angles formed by two intersecting lines (Google.com)
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Parallelogram: (Noun) a four-sided plane rectilinear figure with opposite sides parallel (Google.com)
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Pentagonal Prism: (Noun) In geometry, the pentagonal prism is a prism with a pentagonal base. It is a type of heptahedron. (Google.com)
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Perpendicular Bisector: (Noun) In geometry, bisection is the division of something into two equal or congruent parts, usually by a line, which is then called a bisector. (Google.com)
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Polygon: (Noun) a plane figure with at least three straight sides and angles, and typically five or more. (Google.com)
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Plane: (Noun) a flat surface on which a straight line joining any two points on it would wholly lie. (Google.com)
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Point: (Noun) a dot or other punctuation mark, in particular a period. (Google.com)
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Protractor: (Noun) an instrument for measuring angles, typically in the form of a flat semicircle marked with degrees along the curved edge.(Google.com)
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Regular Polygon: a polygon with all sides and all angles equal (Google.com)
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Rectangle: (Noun) a plane figure with four straight sides and four right angles, esp. one with unequal adjacent sides, in contrast to a square. (Google.com)
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Remote Interior Angles: (Noun) Non-adjacent interior angles. (Google.com)
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Rhombus: (Noun) a parallelogram with opposite equal acute angles, opposite equal obtuse angles, and four equal sides. (Google.com)
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Scalene Triangle: (Noun) a triangle with no two sides of equal length (Google.com)
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Supplementary Angle: (Noun) either of two angles whose sum is 180°. (Google.com)
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Square: (Noun) a plane figure with four equal straight sides and four right angles. (Google.com)
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Tangent: (Noun) a straight line or plane that touches a curve or curved surface at a point, but if extended does not cross it at that point. (Google.com)
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Trapezoid: (Noun) a quadrilateral with only one pair of parallel sides. (Google.com)
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Vertex: (Noun) each angular point of a polygon, polyhedron, or other figure.(Google.com)
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Vertical Angle: either of two equal and opposite angles formed by the intersection of two straight lines (Google.com)
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Voronoi Diagram: (Noun) In mathematics, a Voronoi diagram is a way of dividing space into a number of regions. A set of points is specified beforehand and for each seed there will be a corresponding region consisting of all points closer to that seed than to any other. (Google.com)
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Obtuse Triangle: (Noun) a triangle that contains an obtuse interior angle. (Google.com)
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