Angles formed by opposite rays. Angles that share a common side and a common vertex, but have no...
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![Page 1: Angles formed by opposite rays. Angles that share a common side and a common vertex, but have no common interior points.](https://reader035.fdocuments.in/reader035/viewer/2022062620/551ab144550346e0158b62e4/html5/thumbnails/1.jpg)
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Angles formed by opposite rays.
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Angles that share a common side and a common vertex, but have no common interior points.
![Page 4: Angles formed by opposite rays. Angles that share a common side and a common vertex, but have no common interior points.](https://reader035.fdocuments.in/reader035/viewer/2022062620/551ab144550346e0158b62e4/html5/thumbnails/4.jpg)
Two angle whose measures have a sum of 90 degrees.
or
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Two angles whose measures have a sum of 180 degrees.
or ?135
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Name a pair of vertical angles.
Name a pair of adjacentAngles.
Name a pair of complementary angles.
Name a pair of supplementary angles.
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When looking at a diagram, we can conclude:
Vertical angles
Adjacent angles
Adjacent supplementary angles
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Angles or segments are congruent
Angles are right angles
Lines are parallel or perpendicular
(unless there are marks that give this information)
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Draw two intersecting lines.
Number the angles as shown.
Use a protractor to measure each angle.
Make a conjecture about vertical angles.
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If two angles are complementary to the same angle (or congruent angles), then the two angles are congruent.
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If two angles are supplementary to the same angle (or congruent angles), then the two angles are congruent.
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All right angles are congruent.
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