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The diagonals of a regular hexagon have two possible lengths. What is the ratio of the shorter length to the longer length? Express your answer as a common fraction in simplest radical form.

 Sep 5, 2020
 #1
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The diagonals of a regular hexagon have two possible lengths. What is the ratio of the shorter length to the longer length? Express your answer as a common fraction in the simplest radical form.

 

The ratio is    √3 / 2 

 Sep 5, 2020
 #2
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The diagonals of a regular hexagon have two possible lengths. What is the ratio of the shorter length to the longer length? Express your answer as a common fraction in simplest radical form.

 

Hello Ericthegg!

 

\(c^2=a^2+b^2-2ab\ cos\ 120^0\\ s^2=2\cdot (\frac{d}{2})^2-2\cdot (\frac{d}{2})^2\cdot (-\frac{1}{2})\\ s^2=2\cdot (\frac{d}{2})^2\cdot(1-(-\frac{1}{2}))\\ s^2=3\cdot (\frac{d}{2})^2\)

\(s=\frac{d}{2}\sqrt{3}\)

 

The ratio is   \(\large \frac{s}{d}=\frac{\sqrt{3}}{2}\)

laugh  !

 Sep 5, 2020
 #3
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Thank you so much!

 Sep 5, 2020

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