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Math Help - regular n-gon

  1. #1
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    regular n-gon

    The measure of each interior angle in a regular n-gon is exactly half the measure of each interior angle in a regular 2n-gon what is the value of n?
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  2. #2
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    \frac{2(n-2) \times 180}{n} = \frac{(2n-2) \times 180}{2n}
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