74.
x
1
2
x
1
3
x
5
¬
180
6
x
5
¬
180
x
5
¬
30
There are two linear pairs in the figure. In one
linear pair the angles measure
x
and
3
x
1
2
x
5
5
x
, or 30 and 150. In the other pair the
angles measure 3
x
and
x
1
2
x
5
3
x
, or 90 and 90.
75.
3
x
2
1
1
2
x
1
6
5
¬
180
5
x
1
5
5
¬
180
5
x
5
¬
175
x
5
¬
35
3
x
2
1
5
¬
3(35)
2
1
5
¬
104
2
x
1
6
5
¬
2(35)
1
6
5
¬
76
The measures of the angles are 76 and 104.
Page 132
Geometry Software Investigation:
Angles and Parallel Lines
1.
The pairs of corresponding angles are
/
AEG
and
/
CFE
,
/
AEF
and
/
CFH
,
/
BEG
and
/
DFE
,
/
BEF
and
/
DFH
. The pairs of alternate interior
angles are
/
AEF
and
/
DFE
,
/
BEF
and
/
CFE
.
The pairs of alternate exterior angles are
/
AEG
and
/
DFH
,
/
BEG
and
/
CFH
. The pairs of
consecutive interior angles are
/
AEF
and
/
CFE
,
/
BEF
and
/
DFE.
2.
The pairs of corresponding angles in Exercise 1
that have the same measure are
/
AEG
and
/
CFE
,
/
AEF
and
/
CFH
,
/
BEG
and
/
DFE
,
/
BEF
and
/
DFH
. The pairs of alternate interior
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This note was uploaded on 12/19/2011 for the course MAC 1140 taught by Professor Dr.zhan during the Fall '10 term at UNF.
 Fall '10
 Dr.Zhan
 Calculus, PreCalculus, Angles

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