Polygon vocab 5
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| attribute | properties of a shape; definition of a shape
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| polygon | closed plane figure with straight edges that are line segments
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| regular polygon | polygon where all the sides are the same length
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| 2-Dimensional | plane figure that lies on a flat surface
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| open figure vs. closed figure | figure in which 2 rays or line segments are not connected with a point vs. figure in which all rays and segments are connected with a point
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| triangle | 3 sides; 3 angles (sum 180)
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| quadrilateral | 4 sides; 4 angles (sum 360)
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| pentagon | 5 sides; 5 angles (sum 540)
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| hexagon | 6 sides; 6 angles (sum 720)
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| octagon | 8 sides; 8 angles (sum 1,080)
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| circle | not a polygon, round edges
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| half circle | part of a circle with a straight edge
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| right triangle | 3 sides with 1 right angle, 2 acute angles
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| acute triangle | 3 sides with 3 acute angles
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| obtuse triangle | 3 sides with 1 obtuse angle, 2 acute angles
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| scalene triangle | 3 sides with none equal
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| isosceles triangle | 3 sides with only 2 equal
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| equilateral triangle | 3 equal sides
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| square | 4 equal sides, 4 right angles, 2 pairs parallel sides
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| rectangle | 2 pairs equal sides, 2 pairs parallel sides, 4 right angles
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| rhombus/rhombi | 4 equal sides, 2 pairs parallel sides
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| parallelogram | 2 pairs equal sides, 2 pairs parallel sides
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| trapezoid | 2 right, 1 acute, and 1 obtuse angle, 1 pair parallel sides…OR… 2 acute and 2 obtuse angles, 1 pair parallel sides
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| congruent | plane figures with the same shape and same size
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| category | a group of objects that are the same type
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| subcategory | a more specific group of objects that are the same type within a category
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| classify | to arrange, organize, or order objects that have similar attributes or characteristics (similar to category)
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| partition | to divide or separate into parts or sections
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| hierarchy | series of ordered groupings within a system
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Created by:
crstone
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