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An octagon has 8 sides, and the sum of the interior angles of any polygon can be found using the formula (n-2) * 180 degrees, where n is the number of sides. In the case of an octagon, the sum of the interior angles is (8-2) * 180 = 1080 degrees. Since all the interior angles of an octagon are equal, each interior angle measures 1080 / 8 = 135 degrees. A right angle measures 90 degrees, so an octagon has 135 / 90 = 1.5 right angles.

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3w ago

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Wiki User

9y ago

A regular octagon has no right angles. An irregular octagon could have o,1,2, or three right angles, depending on its shape.

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Wiki User

9y ago

All eight vertices of an octagon can be right-angled: 6 interior and two exterior.

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Q: How many right angles does an octagon?
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