Question 465052
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Impossible.  Since the sum of the interior angles of any *[tex \Large n]-gon is *[tex \Large (n\ -\ 2)\,\cdot\,180^\circ], the sum of the measures of the interior angles of an octagon is *[tex \Large (8\ -\ 2)\,\cdot\,180^\circ\ =\ 6\,\cdot\,180^\circ\ =\ 1080^\circ].  Furthermore, unless you specifiy that it is a regular octagon, meaning all of the interior angles are equal, then you are done.  Otherwise, each interior angle measures *[tex \Large \frac{1080^\circ}{8}].  You do your own arithmetic.


John
*[tex \LARGE e^{i\pi} + 1 = 0]
My calculator said it, I believe it, that settles it
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