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Definition
| Names a location and has no size. It is represented by a dot and labeled using a capital letter, such as P |
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| Is a straight path that has no thickness and extends forever. Ther are an infinite number of points on a line. A line is named using either a lowercase or any two points on the line. |
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| Is a flat surface that has no thickness and extends forever. A plane is named using either an upercase letter or three noncollinear points that lie in the plane. |
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Definition
| Lines or points that are in the same plane are coplanar |
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| If there is no plane that contains the lines or points, then they are noncoplanar |
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| Is the point or set of points which two figures meet. |
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| Two geometric objects that have the same size and shape are congruent |
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Definition
| is part of a line consisting of two endpoints and all points between them |
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| Shows that two segments are congruent |
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Definition
| In a diagram, congruent segments are shown with tick marks. |
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Definition
| Is a statement that is accepted as true without proof |
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Definition
| Is the measure of the segment connecting two points. |
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Definition
| Of a segment is the point that divides the segment into two congruent parts. |
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Definition
| Is a part of a line that starts at an endpoint and extands infinitely in one direction |
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Definition
| Two rays that have a common endpoint and form a line. |
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Term
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Definition
| Is a figure formed by two rays with a common endpoint |
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Term
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Definition
| The common endpoint is the angles vertex |
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Definition
| The rays are the sides of the angle. |
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Definition
| Measures greater than 0 and less than 90 |
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Term
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Definition
| Measures greater than 90 and less than 180 |
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Definition
| To divide a figure into two congruent parts. |
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Definition
| Is a ray that divides an angle into two congruent angles. |
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Term
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Definition
| Congruent angles have the same measure. They are marked with arc marks |
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