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A decagon is a polygon with 10 sides. In a decagon, each interior angle measures 144 degrees. An acute angle is an angle that measures less than 90 degrees. Since all the interior angles of a decagon are 144 degrees, there are no acute angles in a decagon.

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A regular 10 sided decagon has 10 exterior acute angles each measuring 36 degrees

It has no interior acute angles because each interior angle measure 144 degrees

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Wiki User

9y ago
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Q: How many acute angles in a decagon?
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