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Stuart has drawn a pair of concentric circles, as shown. He draws chords $\overline{AB}$, $\overline{BC}, \ldots$ of the large circle, each tangent to the small one. If $m\angle ABC=75^\circ$, then how many segments will he draw before returning to his starting point at $A$?

 Mar 9, 2021
edited by ellapow  Mar 9, 2021
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There will be 36 line segments.

 Mar 10, 2021

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