geometry vocabulary lesson #3. #12 angle a figure formed by 2 rays with the same endpoint
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Geometry VocabularyGeometry VocabularyLesson #3Lesson #3
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#12 Angle#12 Angle
A figure formed by 2 rays with the same endpoint
A figure formed by 2 rays with the same endpoint
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#13 Degree#13 Degree
The unit used to measure anglesThe unit used to measure angles
45º
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# 14 Vertex# 14 Vertex
The point where rays or 2 sides of a figure meet
The point where rays or 2 sides of a figure meet
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#15 Acute Angle#15 Acute Angle
An angle that measures less than 90º
An angle that measures less than 90º
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#16 Obtuse Angle #16 Obtuse Angle
An angle that measures more than 90º but less than 180º
An angle that measures more than 90º but less than 180º
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#17 Right Angle#17 Right Angle
An angle that measures exactly 90º
An angle that measures exactly 90º
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#18 Straight Angle#18 Straight Angle
An angle that measures exactly 180º
An angle that measures exactly 180º
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#19 Complementary Angle
#19 Complementary Angle
2 angles that add up to 90º2 angles that add up to 90º
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#20 Supplementary Angles
#20 Supplementary Angles
2 angles that add up to 180º2 angles that add up to 180º