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Find the size of each interior angle in a regular octagon
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Find the size of each interior angle in a regular octagon

User Tibur
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7 votes
the formula for finding the measure of interior angles in a regular octagon is

(the number of sides the shape has - 2) * 180/ the number of sides

(8-2) *180/ 8

6*180/ 8 = 1080/8 = 135

The size of each interior angle in a regular octagon is 135°
User Ben Southgate
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6.2k points
5 votes
To do this you divide 360 by 8 which equals 45
The exterior angle is 45°
So to find the interior angle you do 180-45=135
So one interior angle is 135°
User Gotit
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6.1k points
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