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> Sum of interior angles of polygon (given number of sides)
Sum of interior angles of polygon (given number of sides)
Formula
S
sum of internal angles
n
number of sides
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 (
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n
S
radian
centesimal minute
degree (angle)
degree (angle)
gigaradian
gon
grad
gradian
megaradian
microradian
mil
milliradian
millisecond (angle)
minute (angle)
minute of arc
Precision
0
1
2
3
4
5
6
7
8
9
Formula code
C
C#
C++
Java
JavaScript
LaTeX
PHP
#define PI 3.1415926535898 S = (n - 2)* PI
S = (n - 2)*Math.PI
#define PI 3.1415926535898 S = (n - 2)* PI
S = (n - 2)*Math.PI
S = (n - 2)*Math.PI
S = (n - 2) \pi
$S = ($n - 2)*M_PI
References
Wikipedia: Polygon.
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