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Angle Proofs
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24 Terms
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1
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Definition of Congruence
m < A = m
2
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interior angles
angles locates on the transversal between two specific lines
3
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Definition of Angle Bisector
An angle bisector divides an angle into equal parts.
4
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exterior angles
angles located on the transversal outside two specific lines
5
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Vertical Angles
Across from another angle
6
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Definition of Complementary Angles
Complementary
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Supplementary Angles
2 or more angles on a straight line that add up to 180
8
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Definition of Supplementary Angles
Supplementary
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Complimentary Angles
2 or more angles that add up to 90
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Definition of Perpendicular
Perpendicular lines form right angles
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Adjacent Angles
share one side and same vertex
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Definition of a Right Angle
A right angle = 90 degrees
13
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Alternate Interior Angles
Angles on the inside but opposite sides
14
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Alternate Exterior Angles
Angles on the outside but opposite sides
15
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Angle Addition Postulate
m
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Vertical Angles Theorem
If two angles are vertical, then they are congruent
17
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corresponding angles
Angles that are on the inside or outside and on the same side
18
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Complement Theorem
If two angles form a right angle, then they are complementary.
Right Angle --> Complementary
19
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Transversal
A line that intercepts through two or more lines creating multiple angles
20
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Supplement Theorem
If two angles form a linear pair, they are supplementary.
Linear pair ---> Supplementary
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linear pair
two adjacent angles where the non common side is an opposite ray
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Congruent Complements Theorem
If
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Same Side exterior
exterior angles that lie on the same side of the transversal
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Congruent Supplements Theorem
If
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