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Math

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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Question
Answer
An exact location that is usually represented as a dot   Point  
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A straight path that extends without end in opposite directions   Line  
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A perfectly flat surface that extends infinitely in all directions   Plane  
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A part of a line, it has one endpoint and without end in one direction   Ray  
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A part of a line or a ray that extends from one endpoint to another   Line Segment  
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The same shape and size   Congruent  
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2 rays with a common endpoint   Angle  
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The common endpoint   Vertex  
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The sum of the measures of two angles that is 90 degrees   Complementary Angles  
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The sum of the measures of two angles that is 180 degrees   Supplementary Angles  
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Angles formed by two intersecting lines that measure 90 degrees   Perpendicular Lines  
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Lines in the same plan that do not intersect at all   Parallel Lines  
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Lines that don't intersect, but they are also parallel   Skew Lines  
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Angles that have a common vertex and a common side but not common interior points   Adjacent Angles  
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Angles that are opposite formed by two intersecting lines   Vertical Angles  
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A line that intersects 2 or more lines   Transversal  
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Angles that are on the same side of the transversal and are both above or below the parallel lines   Corresponding Angles  
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The set of all points in a plane that are the same distance from a given point called the cent   Circle  
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The point inside a circle that is the same distance from all the points on the circle   Center of a Circle  
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Part of a circle named by its endpoints   Arc  
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Line segment whose endpoints are the center of a circle and any point on the circle   Radius  
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Line segment that passes through the center of a circle, and whose endpoints lie on the circle   Diameter  
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Line segment whose endpoints are any two points on a circle   Chord  
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An angle formed by 2 radii   Central Angle  
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The part of the circle enclosed by 2 radii and an arc connecting them   Sector  
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A closed plane figure formed by 3 or more line segments   Polygon  
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A polygon in which all sides are congruent and all angles are congruent   Regular Polygon  
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A shape that both pairs of opposite sides are parallel and congruent. Both pairs of opposite angles are congruent   Parallelogram  
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A parallelogram with four right angles   Rectangle  
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A parallelogram with 4 congruent sides   Rhombus  
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A parallelogram with 4 congruent sides and four right angles   Square  
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A shape which exactly one pair of opposite sides is parallel   Trapezoid  
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A rule stating that if three sides of one triangle are congruent to three sides of another triangle, then the triangles are congruent   Side-Side-Side Rule  
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The resulting figure of a transformation   Image  
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When a figure is not symmetrical   Asymmetry  
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The central point   Center of Rotation  
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Transformation that changes the size, but not the shape, of a figure   Dilation  
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