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Geometry Basic Shape

shape definition and basic terms

Square A four sided figure with equal sides and angles
Triangle A three sided polygon that can be classified six different ways!
Pentagon A five sided polygon
Hexagon A six sided polygon
Heptagon A seven sided polygon
Octagon An eight sided polygon
Decagon A ten sided polygon
Regular Polygon A polygon that has all equal sides and angles
Irregular Polygon A polygon that does NOT have equal sides and angles
Polygon A closed figure with straight sides
Parallelogram A four sided figure that 2 pair of equal opposite sides that are also parallel and opposite angles that are equal ( 2 obtuse and 2 acute)
Trapezoid A quadrilateral (4 sided figure) with only one set of parallel sides
Quadrilateral A four sided polygon (may include squares, rectangles, parallelograms, trapezoids, and a rhombus)
Created by: itsallhistory