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Definition
| If the two rays that form the sides of an angle form a straight line, then we call the angle a(n) __________. If an angle is a(n) __________, then we say it has a measure of 180°. |
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Term
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Definition
| If two angles share a vertex and some interior points, then we call the angles __________. |
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Term
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Definition
| If two angles share a vertex and a side, but have no interior points in common, then we call the pair of angles __________. |
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Term
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Definition
| If the non-shared sides of a pair of adjacent angles form a straight line, then we call the pair of angles a(n) __________. |
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Term
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Definition
| If two angles formed by two lines that cross are non-adjacent and non-overlapping, then they are called __________. |
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Term
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Definition
| If a line crosses two or more other lines, each at a different point, then we call the first line a(n) __________. |
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Term
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Definition
| If two non-adjacent angles formed by a transversal and two of the lines it crosses are on the same side of the transversal, but one is on the interior of the two lines the transversal crosses and one is in the exterior, then we call the angles __________. |
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Term
| alternate interior angles |
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Definition
| If two of the angles formed by a transversal and two of the lines it crosses are on opposite sides of the transversal and in the interior of the two lines crossed, then we call them __________. |
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Term
| alternate exterior angles |
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Definition
| If two of the angles formed by a transversal and two of the lines it crosses are on opposite sides of the transversal and in the exterior of the two lines crossed, then we call them __________. |
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Term
| same-side interior angles |
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Definition
| If two of the angles formed by a transversal and two of the lines it crosses are on the same side of the transversal and in the interior of the two lines crossed, then we call them __________. |
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Term
| same-side exterior angles |
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Definition
| If two of the angles formed by a transversal and two of the lines it crosses are on the same side of the transversal and in the exterior of the two lines crossed, then we call them __________. |
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