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Let B, A, and D be three consecutive vertices of a regular 18-gon. A regular heptagon is constructed on \(\overline{AB}\), with a vertex C next to A. Find \(\angle BCD\), in degrees.

 May 15, 2020
 #1
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Angle BCD is 74 degrees.

 May 15, 2020
 #2
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nice explanation

Guest May 15, 2020

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