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26 Cards in this Set
- Front
- Back
cubic unit
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a cube with edges that are 1 unit long
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volume
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the number of cubic units needed to fill a solid figure
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square unit
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a square with sides that are each 1 unit long
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area
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the number of square units needed to cover the region inside a figure
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perimeter
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the distance around a figure
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peri
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around
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meter
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measure
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symmetric
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your figure is symmetric because the two halves of the figure match
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line of symmetry
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the fold line is the line of symmetry
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flip
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a flip of a figure gives its a mirror image
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congruent
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two figures are congruent if they have the same size and shape
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rectangle
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four right angles and opposite sides are the same length
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square
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four right angles and all sides are the same length
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parallelogram
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Opposite sides are parallel and all sides are the same length
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rhombus
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opposite sides are parallel and all sides are the same length
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trapezoid
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there is only one pair of parallel sides
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polygon
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a closed figure made up of parallel sides
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side
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each line segment on a polygon is a side
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equilateral triangle
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all sides are the same length
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isosceles triangle
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at least two sides are the same length
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scalene triangle
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no sides are the same length
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right triangle
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one angle is a right angle
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acute triangle
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all three sides are acute angles
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obtuse triangle
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one angle is an obtuse angle
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side
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EACH LINE SEGMENT ON A POLYGON IS A SIDE
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angle
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an angle is made by two rays that have the same end point.
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