Different types of polygons
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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Polygon | A many sided closed figure named according to the number of angles and sides they have- Greek word "poly" means many; Greek word "gon" means angles
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Equilateral Polygon | All sides are congruent
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Equiangular Polygon | All sides are congruent
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Regular Polygon | All sides and all angles are congruent
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Vertices | Endpoints of the sides of a polygon
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Diagonal | Line segment connecting two nonadjacent vertices in a polygon
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Convex Polygon | No diagonals contains points outside the polygon; no angle greater than 180°; a line crosses at most two sides.
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Concave Polygon | Lines can be drawn outside the polygon; at least one interior angle is greater than 180°(reflex angle); at least one line can be drawn across more than two sides
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Quadrilateral | Four side, four angles, and four vertices
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Parallelogram | Quadrilateral with both pairs of opposite sides parellel and congruent
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Rhombus | Parallelogram with four congruent sides
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Rectangle | Parallelogram with four right angles
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Square | Parallelogram with four congruent sides and four right angles
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Kite | Quadrilateral with two pair adjacent sides congruent and no opposite sides congruent
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Trapezoid | Quadrilateral with exactly one pair of parallel sides
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Isosceles Trapezoid | Trapezoid whose nonparallel sides are congruent
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Right Trapezoid | Trapezoid with two right angles
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Pentagon | Five sided polygon, five angles, five vertices
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Hexagon | Six sided polygon, six angles, six vertices
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Heptagon | Seven sided polygon, seven angles, seven vertices
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Octagon | Eight sided polygon, eight angles, eight vertices
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Nonagon | Nine sided polygon, nine angles, nine vertices
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Decagon | Ten sided polygon, ten angles, ten vertices
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Dodecagon | Twelve sides, twelve angles, twelve vertices
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n-gon | n sides, n angles, n vertices
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