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Mathematics 18 Online
sussybakaat3am:

ABCDEFGHIJKL is a regular dodecagon (12 sides). Use the circumcircle of the dodecagon or any other method you are familiar with to find the following: (1) angle ABC (2) angle ACD (3) angle ADJ (4) the acute angle between AF and BI

Narad:

For a regular polygon of n sides, each angle\[=\frac{ 180n-360 }{ n}\]

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