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

 Aug 4, 2020
 #1
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Can you format your Latex correctly? I am having trouble understanding. 
 

refer to here for help with latex: https://web2.0calc.com/questions/help_31578

 

Also, you should maybe PM the link to this question to Melody. It is currently midnight in Australia (where she is from), and she might not see the questions when she comes online.

 

:)

 Aug 4, 2020
 #2
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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 \[(P_1 P_2)^2 + (P_1 P_3)^2 + \dots + (P_{11} P_{12})^2.\]\)

.
 Aug 5, 2020

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