WOLFRAM
|
DEMONSTRATIONS PROJECT
Menelaus' Theorem
f
r
a
c
t
i
o
n
o
f
t
h
e
d
i
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t
a
n
c
e
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f
F
f
r
o
m
A
t
o
C
0
.
3
5
6
A
D
≈
2
B
E
≈
0
.
3
2
C
F
≈
0
.
9
6
B
D
≈
1
C
E
≈
1
.
1
6
A
F
≈
0
.
5
3
A
D
×
B
E
×
C
F
≈
0
.
6
2
B
D
×
C
E
×
A
F
≈
0
.
6
2
I
n
t
r
i
a
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g
l
e
A
B
C
,
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D
E
F
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c
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w
o
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s
A
C
a
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d
B
C
a
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x
t
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o
f
A
B
a
t
F
,
E
,
a
n
d
D
.
T
h
e
n
A
D
×
B
E
×
C
F
=
B
D
×
C
E
×
A
F
.
D
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f
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u
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.
