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A regular dodecagon \(P_1 P_2 P_3 \dotsb P_{12}\) is inscribed in a circle with radius \(1.\) Compute \((P_1 P_2)^2 + (P_1 P_3)^2 + \dots + (P_{11} P_{12})^2.\) sdf

 

I've drawn a diagram but I'm not sure what \(P\) stands for. Is it a vertex point, the side length of the dodecagon...?

 May 14, 2020
edited by Guest  May 14, 2020
 #1
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I think P stands for a point.

 May 14, 2020
 #2
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So how would I calculate that?

Guest May 14, 2020

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