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Classify Shapes

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
polygon   A closed plane figure (2-D) made up of line segments  
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regular polygon   A polygon that has sides of equal length and angles of equal measure  
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triangle   A polygon with 3 sides  
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quadrilateral   A polygon with 4 sides  
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pentagon   A polygon with 5 sides  
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hexagon   A polygon with 6 sides  
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octagon   A polygon with 8 sides  
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equilateral triangle   A triangle whose sides all have the same length  
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isosceles triangle   A triangle with two sides of the same length  
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scalene triangle   A triangle in which no sides have the same length  
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right triangle   A triangle in which one angle is a right angle  
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acute triangle   A triangle whose angles are all acute angles  
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obtuse triangle   A triangle in which one angle is an obtuse angle  
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parallelogram   A quadrilateral with 2 pair of parallel and congruent sides  
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trapezoid   A quadrilateral with exactly one pair of parallel sides  
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rectangle   A parallelogram with 4 right angles  
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rhombus   A parallelogram with all sides the same length  
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square   A rectangle with all sides the same length  
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congruent   Same size or equal  
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attributes   A feature used to describe a shape such as lines and angles. Also known as properties of a shape.  
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2 - dimensional figures   A shape that has width and height, but no thickness  
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classify   To arrange in groups based on common attributes or properties  
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category   A group of of objects (or shapes) with common attributes  
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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  
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parallel lines   lines that never intersect (cross) and are the same distance apart  
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opposite angles   Angles on a quadrilateral that are diagonally across from each other  
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consecutive angles   Angles on a quadrilateral that are next to each other.  
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adjacent sides   Two sides of a polygon that meet at the same vertex (point)  
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Created by: mrszmath
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