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1
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an angle formed by two radii
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2
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angle that measures greater than 90 but less than 180 degrees
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3
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part of a line or ray that extends from one endpoint to another
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4
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a line that intersects two or more lines that lie in the same plane
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5
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angle that measures exactly 180 degrees
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6
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the figure flips across a line of reflection creating a mirror image
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7
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the figure slides along a straight line without turning
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11
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opposite sides are parallel and congruent, opposite angles are congruent
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14
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sum of the measures of two angles is 90 degrees
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18
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an angle that measures greater than 0 and less than 90 degrees
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19
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the part of the circle enclosed by two radii and an arc connecting them
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23
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part of a circle named by its endpoints
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24
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figures that have the sameshape and size
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26
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common endpoint of an angle
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28
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a line segment that connects two non-adjacent vertices of a polygon
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30
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formed by two rays with a common endpoint
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31
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parallelogram with four right angles
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33
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triangle with exactly one right angle
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35
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exactly one pair of opposite sides is parallel
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36
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an angle that measures exactly 90 degrees
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37
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when a figure is not symmetrical
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38
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the opposite angles formed by two intersecting lines
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40
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lines in the same plane that do not intersect at all
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41
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when you can draw a line through a plane figure so that the two halves are reflections of each other
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42
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changes the position or orientation of a figure
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43
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polygon in which all sides are congruent and all angles are congruent
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44
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triangle with all of the angles acute
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