Question 1125556
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Let the number of angles be " m ".  It is the same as the number of sides.


Then  


    m*n = 180*(m-2)   degrees,

    mn = 180m - 360

    360 = 180m - mn

    360 = m*(180-n)

    m = {{{360/(180-n)}}}.


<U>Answer</U>.    Option B) of the list.
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