Find the sum (the total measure) of the interior angles of an Octagon. Show all of your work

Mathematics

2 answers:

Andrew [12]3 years ago

7 0

Hope this answer helps

tatiyna3 years ago

4 0

One way to do this is use the fact that the exterior angles of all polygons add up to 360 degrees
So an exterior angle of a regular octagon = 360 / 8 = 45 degrees.
So each interior angle = 180 - 45 = 135 degrees

so total measure of all angles in octagon = 8 * 135 = 1080 degrees

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