Mathway
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golden rectangle
A
rectangle
where the
ratio
of its
length
to its
width
is
1
+
√
5
2
:
1
1
+
5
2
:
1
, about
1.618
:
1
1.618
:
1
.
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⎡
⎢
⎣
x
2
1
2
√
π
∫
x
d
x
⎤
⎥
⎦
[
x
2
1
2
π
∫
x
d
x
]
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