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Geometry

TermDefinition
2-D shape A flat shape that has length and width
polygon A closed figure with 3 or more straight sides
quadrilateral A polygon with 4 sides
rectangle Quadrilateral with 4 right angles and 2 pairs of opposite equal parallel sides
square Quadrilateral that has 4 right angles and all sides are equal length
trapezoid Quadrilateral that has one pair of opposite sides that are parallel
parallelogram Quadrilateral with opposite sides that are parallel, equal in length and the opposite angles are equal
side the lines that connect to make a 2-D shape
vertex/vertices The point where 2 straight lines come together; a corner
right angle an angle that forms a square corner and measures 90 degrees
parallel 2 lines that never meet and are always the same distance apart
triangle a polygon with 3 straight sides and 3 angles
rhombus parallelogram with 4 equal sides and equal opposite angles
pentagon a polygon with 5 sides
hexagon a polygon with 6 sides
octagon a polygon with 8 sides
plane a flat surface
Created by: mmallon1
 

 



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