Answer :

igoroleshko156

Answer:

I think the answer is Option D, 135 degrees.

Since the angles of all of the octagon combined is 1080, divide that by 8 to get 135 which means that all 8 angles are 135 degrees.

Answer:

D) 135 degrees

Step-by-step explanation:

Firstly, all sides of a regular octagon are equal, thus, the angles would be too. Since each exterior angle is supplementary to the the interior angle, in total it would be 180 degrees. We know that the sum of the angles would have to be 1080 degrees, so we only have to divide by 8.  

1080/8 = 135 degrees

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