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# Polygons 5G3&4

### Classify Shapes

TermDefinition
polygon A closed plane figure (2-D) made up of line segments
regular polygon A polygon that has sides of equal length and angles of equal measure
triangle A polygon with 3 sides
quadrilateral A polygon with 4 sides
pentagon A polygon with 5 sides
hexagon A polygon with 6 sides
octagon A polygon with 8 sides
equilateral triangle A triangle whose sides all have the same length
isosceles triangle A triangle with two sides of the same length
scalene triangle A triangle in which no sides have the same length
right triangle A triangle in which one angle is a right angle
acute triangle A triangle whose angles are all acute angles
obtuse triangle A triangle in which one angle is an obtuse angle
parallelogram A quadrilateral with 2 pair of parallel and congruent sides
trapezoid A quadrilateral with exactly one pair of parallel sides
rectangle A parallelogram with 4 right angles
rhombus A parallelogram with all sides the same length
square A rectangle with all sides the same length
congruent Same size or equal
attributes A feature used to describe a shape such as lines and angles. Also known as properties of a shape.
2 - dimensional figures A shape that has width and height, but no thickness
classify To arrange in groups based on common attributes or properties
category A group of of objects (or shapes) with common attributes
sub category A smaller group within a category, that is classified by having common attributes not shared with rest of the objects in the category
parallel lines lines that never intersect (cross) and are the same distance apart
opposite angles Angles on a quadrilateral that are diagonally across from each other
consecutive angles Angles on a quadrilateral that are next to each other.
adjacent sides Two sides of a polygon that meet at the same vertex (point)
Created by: mrszmath

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