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Let A1 A2 A3 ... A15 be a regular polygon. A rotation centered at $A_4$ with an angle of $\alpha$ takes $A_3$ to $A_5$. Given that $\alpha < 180^\circ$, find $\alpha,$ in degrees.

 Jun 8, 2024
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alpha = the measure of one of the interior angles  = 

 

(15 - 2) *180  / 15   =     156°

 

cool cool cool

 Jun 8, 2024

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