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math vocab words

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
is a closed geometric figure with sides formed by three or more coplaner segments that intersects two other segments, one at each endpoint   polygons  
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are polygon thay are formed inside the polygon   interior angle  
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3 sided   triangle  
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4 sided polygon   quadrilateral  
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5 sided polygon   pentagon  
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6 sided polygon   hexagon  
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7 sided polygon   heptagon  
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8 sidd polygon   octagon  
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9 sided polygon   nonagon  
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10 sided polygon   decagon  
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12 sided polygon   dodcagon  
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all the angles added up t equal 180 degrees   sum interior angle  
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is a polygon that is both equiangular with all angles congruet, and equilateral with all sides congruent   regular polygon  
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thw sum of the measures if the interior angles of a convex n-gon is (n-2)180   interior angle of a regular polygon  
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is a polygon that is caved in   convex  
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is a polygon that has not caved in   concave  
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all of the interior angle are congruent   equaianqular polygon  
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all of its sides are congruent   equilateral polygon  
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is formed by extending the sides of the polygn   exterior angle  
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all the exterior angles on the outside of the polygon add up to 360   sum exterior angle  
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360\n   exterior angle of a regual polygon  
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is a polygon that joins two nonconsecutive vertices   diagonal  
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is a point from each point is the same   equidistant  
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is a segment from a vertext of the triangle to the midpoint of the opposite side of the triangle   median  
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a segment, ray, line or plane that is perpendicular to the segment at its midpoint   perpendicular bisector  
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is a bisector of an angle of the triangle   angle bisector  
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the point of intersection of the line   point of concurrenccy  
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the point of concurrency of the angle bisector   incenter  
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the point of concurrency of the altitudes of a triangle   orthacenter  
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Created by: johnsonbarlee
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