Download Section 1-6

Section 1-6
Angle Pair
Relationships
Vertical angles
• Formed when two lines
intersect.
1
2
Vertical Angles are Congruent.
Linear pair
• Formed by two adjacent
angles whose noncommon
sides are opposite rays.
1
2
2
1
5
3
4
1 and 2 a linear pair? Yes
• Are 4 and 5 a linear pair? No
• Are
• Are 5 and 3 vertical angles?No
• Are 1 and 3 vertical angles?
Yes
Complimentary
angles
• Two angles whose
measures have the sum
of 90 degrees
1and2 are
complementary angles
Each angle is called the
complement of the other.
Ex: 1 is the
complement
1
2
of
2
Example
53
1
2
37
Supplementary
angles
• Two angles whose
measures have the sum of
180 degrees
3and4 are
supplementary angles.
Each angle is called the
supplement of the other.
Ex: 3 is the
supplement of 4
3
4
Example
68 112
3
4