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25. Given:
A
w
B
w
>
D
w
E
w
C
is the midpoint
of
B
w
D
w
.
Prove:
A
w
C
w
>
C
w
E
w
Proof:
26. Given:
A
w
B
w
>
w
E
w
F
w
and
B
w
C
w
>
w
D
w
E
w
Prove:
A
w
C
w
>
D
w
F
w
Proof:
27.
Sample answers:
L
w
N
w
>
Q
w
O
w
and
L
w
M
w
>
M
w
N
w
>
R
w
S
w
>
S
w
T
w
>
Q
w
P
w
>
P
w
O
w
28.
Sample answer: You can use segment addition to
find the total distance between two destinations
by adding the distances of various points in
between. Answers should include the following.
• A passenger can add the distance from San
Diego to Phoenix and the distance from Phoenix
to Dallas to find the distance from San Diego to
Dallas.
• The Segment Addition Postulate can be useful if
you are traveling in a straight line.
29.
B;
AD
5
¬
AB
1
BC
1
CD
5
¬
14
}
1
4
}
1
12
}
3
4
}
1
12
}
1
4
}
5
¬
39
}
1
4
}
AQ
5
¬
}
1
2
}
AD
5
¬
}
1
2
}
1
39
}
1
4
}
2
5
¬
19
}
5
8
}
BP
5
¬
}
1
2
}
BC
5
¬
}
1
2
}
1
12
}
3
4
}
2
5
¬
6
}
3
8
}
AP
5
¬
AB
1
BP
5
¬
14
}
1
4
}
1
6
}
3
8
}
5
¬
20
}
5
8
}
AP
5
¬
AQ
1
QP
20
}
5
8
}
5
¬
19
}
5
8
}
1
QP
1
5
¬
QP
30.
Let
x
be the price of a box of popcorn. Then a tub
of popcorn costs 2
x
.
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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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