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What is the sum, in degrees, of the interior angles of a regular icosagon

User Dodgio
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A regular icosagon is a 20-sided polygon with all angles and sides equal.

The formula for the sum of the interior angles of an n-sided polygon is:

S = (n - 2) × 180 degrees

Substituting n = 20, we get:

S = (20 - 2) × 180 degrees
S = 18 × 180 degrees
S = 3240 degrees

Therefore, the sum of the interior angles of a regular icosagon is 3240 degrees.
User Ksimons
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