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Geometry Set 2

Plane Shapes and Properties

TermDefinition
polygon a plane, closed figure formed by line segments
closed A figure that can be traced with the same starting and stopping points, and without crossing or retracing any part of the figure.
triangle a three sided polygon
quadrilateral a four sided polygon
square all sidedthe same length, 4 right angles
rectangle opposite sides parallel and same length, four right angles
trapezoid only one pair of parallel sides
parallelogram two pairs of parallel sides
rhombus two pairs of parallel sides and all sides the same length
pentagon 5 sided polygon
hexagon 6 sided polygon
heptagon 7 sided polygon
octagon 8 sided polygon
nonagon 9 sided polygon
decagon 10 sided polygon
Created by: denabrown
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