g
e
o
m
e
t
r
y
 
b
r
i
n
g
s
 
o
u
t
 
t
h
e
 
a
u
s
t
e
r
e
 
b
e
a
u
t
y
 
o
f
 
m
a
t
h
e
m
a
t
i
c
s
 
t
o
 
t
h
e
 
e
y
e

© copyright 1997 by Xah Lee.(xah@best.com)