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16 Cards in this Set
- Front
- Back
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Ray |
A ray is a part of a line that has one endpoint and extends in one direction without ending. endpoint. Model |
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Adjacent angles |
Two angles in the same plane with a common vertex and a common side, but no common interior points. |
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Angle |
A figure formed by 2 rays with a common endpoint. |
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Bisect |
To divide into 2 congruent parts. |
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Circle |
The set of points in a plane that are a fixed distance from a given point called the center of the circle. |
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Complementary angles |
2 Angles Whose Measures Have A Sum of 90° |
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Congruent Angles |
Angles That Have The Same Measure. |
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Endpoint |
A point at an end of a segment or the starting point of a ray. |
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Midpoint |
The point that divides a segment into 2 congruent segments. |
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Side of an angle |
A Part Of A line Consisting of 2 endpoints and all points between them. |
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Rigid motion |
A transformation that does not change the size or shape of a line. |
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Transformation |
A change in the position, size, or shape of a figure or graph. |
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Vertex of an angle |
The common endpoint of the sides of the angle. |
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Line |
An undefined term in geometry, a line is a straight path that has no thickness or end |
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Supplementary angles |
2 angles who's measurements add up to be 180° |
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Distance between 2 points |
The absolute value of the difference of the coordinates of the points. |
