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Math and Arithmetic

What is the total interior angles of an octagon?


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February 03, 2010 10:29PM

1080 degrees. To find the sum of the degrees of a polygon you must find the number of non-intercepting diagonals (or just subtract 2 from the number of sides, as in 8-2=60) and then multiply that by 180 (60*1080).

The sum of the EXTERIOR angles, however, will always equal 360 degrees.