f
r
a
c
t
i
o
n
o
f
t
h
e
d
i
s
t
a
n
c
e
o
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