Number of sides of a simple closed polygon (given sum of internal angles)

Formula

Number of sides of a simple closed polygon (given sum of internal angles) formula
n
number of sides
S
sum of internal angles

Formula description

The sum of all the internal angles of a simple, closed polygon is (n-2)Pi radians or (n-2)180 degrees, where n is the number of sides.

Calculator (how to use calculator?)

Number of sides of a simple closed polygon (given sum of internal angles) formula
S
n
Precision

Formula code

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References

  1. Polygon at wikipedia.

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