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An interior angle of 128 implies an exterior angle of 180-128 = 52 degrees.

If so, the regular polygon has 360/52 sides ie 6.9 sides.

A fractional side is not possible.

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Q: Why is it not possible to have a regular polygon with interior angles of 128?
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Is it possible for a regular polygon to have interior angles of 112 degrees?

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Is It is possible for the interior angles of a regular polygon to measure 145 degrees?

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How many sides does a regular polygon have if the interior angles are 30 degrees?

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A polygon with all interior angles congruent Is known as a regular polygon.


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The interior angles of a regular polygon cannot be less than 60 degrees so 24 degrees is not possible. ------------------------------- However a regular polygon with EXTERIOR angles of 24° has 360° ÷ 24° = 15 sides.


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