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43.
/
2 and
/
6 are consecutive interior angles for
the same transversal, which makes them
supplementary because
W
w
X
w
i
Y
w
Z
w
.
/
4 and
/
6 are
not necessarily supplementary because
WZ
#
may
not be parallel to
XY
#
.
44.
Sample answer: Angles and lines are used in art
to show depth, and to create realistic objects.
Answers should include the following.
•Rectangular shapes are made by drawing
parallel lines and perpendiculars.
•M.C
.Escher and Pablo Picasso use lines and
angles in their art.
45.
C; Let
y
°be
the measure of the third angle of the
right triangle in the figure.
160
5
¬
y
1
120
40
5
¬
y
x
1
y
1
90
5
¬
180
x
1
40
1
90
5
¬
180
x
5
¬
50
46.
C;
ax
5
¬
bx
1
c
ax
2
bx
5
¬
c
(
a
2
b
)
x
5
¬
c
x
5
¬
}
a
2
c
b
}
Page 138
Maintain Your Skills
47.
F
w
G
w
48.
A
w
B
w
,
D
w
E
w
,
F
w
G
w
,
I
w
J
w
,
A
w
E
w
,
F
w
J
w
49.
CDH
50.
B
w
G
w
,
C
w
H
w
,
F
w
G
w
,
H
w
I
w
51.
m
/
1
1
124
5
¬
180
m
/
1
5
¬
56
52.
m
/
2
5
¬
53
53.
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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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