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Karl Von L · Answer 1 · 2019-05-24T09:26:37+0000

So the equation to find the sum of interior angles is
(n-2)* 180 , with n = number of sides. In this case, this is an octagon (8 sided polygon), so plug in 8 into the equation to solve:

$(8-2)* 180\\6* 180\\1080$

The sum of the interior angles is 1080°

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