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147
Chapter 5
29.
30.
As the length of the stride increases, the angle
formed at the hip increases.
31.
Sample answer: A backhoe digs when the angle
between the two arms decreases and the shovel
moves through the dirt. Answers should include
the following.
• As the operator digs, the angle between the
arms decreases.
• The distance between the ends of the arms
increases as the angle between the arms
increases, and decreases as the angle decreases.
32.
B;
AD
5
BD
by definition of a median.
AC
.
BC
since
m
/
1
.
m
/
2 and by the SAS
Inequality.
m
/
1
.
m
/
B
because if an
/
is an
ext.
/
of a
n
,then its measure is greater than the
measure of either remote int.
/
.
m
/
ADC
5
m
/
1 and
m
/
BDC
5
m
/
2, and
m
/
1
.
m
/
2 is given, so
m
/
ADC
.
m
/
BDC
.
The correct answer is B.
33.
B;
5
48.35
Page 273
Maintain Your Skills
34.
no; 1
1
21
.
25
35.
yes; 16
1
6
¬
.
?
19
6
1
19
¬
.
?
16
16
1
19
¬
.
?
6
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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

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