A pentagon is made by attaching an equilateral triangle to a square with the same edge length. Four such pentagons are placed inside a rectangle, as shown.
What is the ratio of the length of the rectangle to its width?
Input note: give your answer in the form where is a constant to be found.
Select one option, then click Submit.
\sqrt{3} : 1
2 : 1
\sqrt{2} : 1
3 : 2
4 : \sqrt{3}
Select an option, then submit.
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