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3rd grade geometry flashcards

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
Triangle   A polygon with three sides and three angles  
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square   A parallelogram with four right angles and four sides of equal length  
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polygon   A closed two dimensional figure formed of three or more straight sides that do not cross each other  
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rhombus   A parallelogram with four sides of equal length  
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quadrilateral   A shape that has four sides and four angles  
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rectangle   A parallelogram with four right angles, opposite sides that are parallel and of equal length.  
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parallelogram   A quadrilateral with four sides in which equal pair of opposite sides is parallel and equal in length  
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octagon   A polygon with eight sides and eight angles  
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parallel   Lines that are the same distant apart and never touch  
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trapezoid   A quadrilateral with exactly one pair of parallel sides  
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hexagon   A polygon with six sides and six angles  
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right angle   An angle that forms a square corner (it measures 90 degrees)  
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angle   Two rays sharing the same endpoint  
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attribute   A characteristic of a shape  
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pentagon   A polygon with five sides and five angles  
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