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unit1 area/perimeter

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
polygon   A closed, plane figure with segments for sides  
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sides   The line segments that form a polygon  
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triangle   A three-sided polygon  
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quadrilateral   A four-sided polygon  
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pentagon   A five-sided polygon  
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octagon   An eight-sided polygon  
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perimeter   Distance around a polygon  
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area   The space on the surface of a polygon  
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rectangle   A quadrilateral with equal (right) angles  
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parallelogram   A quadrilateral with opposite sides parallel  
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vertex   The point were two sides of a polygon meet  
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altitude   The height of a polygon  
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trapezoid   A quadrilateral with one set of parallel sides  
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regular polygon   A polygon with sides equal in length and angles equal in measure  
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apothem   The perpendicular distance from the center to a side of the regular polygon  
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circumference   The distance around a circle  
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diameter   Distance across the circle throught the center  
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radius   The distance from the center to the edge of a circle  
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heptagon   A seven-sided polygon  
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hexagon   A six-sided polygon  
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decagon   A ten-sided polygon  
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dodecagon   A twelve-sided polygon  
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nonagon   A nine-sided polygon  
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undecagon   An eleven-sided polygon  
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ngon   A polygon with n sides  
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Created by: mrswheat
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