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isogon: 20 sides proof: 180(n-2)/n 180(18)/20 3,240/20 162 Thus, each angle is 162 degrees, which is greater that 90 making it obtuse.

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Q: Name a regular polygon whose interior angles are all obtuse?
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Related questions

What is the maximum number of sides a polygon can have if each interior angle is obtuse?

Any number of sides of 5 and above because all interior angles of regular polygons in this category will have obtuse interior angles.


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What shape has the most obtuse angle?

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Are the Hexagon angles acute or obtuse or right?

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