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13 Cards in this Set
- Front
- Back
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congruent
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same shape and same size exactly
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adjacent angles
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a pair of angles that share a side, a vertex, do not overlap
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congruent angles
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angles with the same measure
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name the properties of rigid motion (transformations)
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-preserves distance
-preserve angle measure -preserves between ness -preserves collinearitu |
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rigid motion
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a transformation that changes the position of a figure without changing the size or shape of the figure
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midpoint formula
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X1+X2/2, x1+x2/2. find the average of the coordinates!
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distance formula
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know it
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perimeter of a rectangle
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2L+2W
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complementary angles
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are two angles whose measures equal 90
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supplementary angles
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two angles whose combined measure is 180 degree
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angle
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a figure formed by two rays with the same endpoint
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vertex
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the meeting point of two rays that form an angle
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collinear
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points l ying on the same straight line
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