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9 results for “polygon”

Formulae (9)

P = n s

Total length around a regular polygon.

A = \frac{1}{2} a P

Area from apothem and perimeter.

S = (n - 2)\times 180^\circ

Total of interior angles of an n-sided polygon.

\theta = \frac{(n-2)\times 180^\circ}{n}

Measure of each interior angle of a regular polygon.

A = \frac{1}{2} a p

Area from apothem and perimeter.

S = (n-2)\times 180\degree

Sum of interior angles of an n-sided polygon.

\theta = \frac{(n-2)\times 180\degree}{n}

Measure of one interior angle of a regular polygon.

\theta = \frac{360\degree}{n}

Measure of one exterior angle of a regular polygon.

D = \frac{n(n-3)}{2}

Count of diagonals in an n-sided polygon.