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Polygons

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
Pentagon   A polygon with five sides  
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Hexagon   A polygon with six sides  
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Octagon   A polygon with eight sides  
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Decagon   A polygon with ten sides  
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Regular Polygon   A polygon in which all the sides and angles are equal  
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Square   A quadrilateral that has four equal sides and four right angles  
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Rectangle   A quadrilateral with four right angles and two pairs of parallel sides. The opposite sides must be equal, but all four sides may not be.  
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Parallelogram   A quadrilateral with two pairs of parallel sides  
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Rhombus   A quadrilateral that has four equal sides, but no right angles  
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Trapezoid   A quadrilateral with exactly one pair of parallel lines  
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Equilateral Triangle   A triangle that has three equal sides and three equal angles  
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Right Triangle   A triangle in which two sides meet at a ninety-degree angle  
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Isosceles Triangle   A triangle that has at least two equal sides and angles  
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Scalene Triangle   A triangle in which all three sides have different lengths  
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180 degrees   The sum of the angles for any angle  
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Created by: Rvanmeter
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