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1­4 pairs of angles with notes
September 16, 2015
OBJECTIVE: Identify adjacent, vertical, complementary, and
supplementary angles
Find measures of pairs of angles
Complementary
angles
Supplementary
angles
adjacent angles
angles that share a common ray (connected)
side by side and touching
C
linear pair
M
A
B
­ supplementary angles
­ adjacent angles
­ form a straight angle
­ one acute and one obtuse
OR
both right angles
Y
***
X
M
Z
both right angles
3AB Geometry
1­4 pairs of angles with notes
September 16, 2015
OBJECTIVE: Identify adjacent, vertical, complementary, and
supplementary angles
Find measures of pairs of angles
vertical
∠'s
C
2
A
B
3AB Geometry
1
3
X4
D
∠ 2 & ∠4 are vertical ∠'s
∠ 1 & ∠3 are vertical ∠'s
1­4 pairs of angles with notes
September 16, 2015
OBJECTIVE: Identify adjacent, vertical, complementary, and
supplementary angles
Find measures of pairs of angles
­ nonadjacent
­ common vertex
­ formed by 2 lines
that intersect
­ congruent
***
all right angles
look like the
coordinate plane
3AB Geometry
1­4 pairs of angles with notes
September 16, 2015
OBJECTIVE: Identify adjacent, vertical, complementary, and
supplementary angles
Find measures of pairs of angles
examples
3AB Geometry
**
How
are in
***
List t
1­4 pairs of angles with notes
September 16, 2015
**
How ma
**
3AB Geometry
List t
1­4 pairs of angles with notes
September 16, 2015
steps:
3AB Geometry
1­4 pairs of angles with notes
September 16, 2015
follow steps
ANS:
3AB Geometry
1­4 pairs of angles with notes
3AB Geometry
September 16, 2015
1­4 pairs of angles with notes
September 16, 2015
steps:
3AB Geometry
1. draw diagram
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