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SAT® Subject Test in Math 1 & 2

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Formulas with Pi

SATSTM-GOKQ44

The measure of each interior angle of a regular polygon with $n$ sides is given by the formula below.

What is the measure of each interior angle of a regular polygon with $n$ sides, in radians?

$$\left[\frac{(n-2)180}{n}\right]$$

A

$\left[\cfrac{(n-2)4\pi}{n}\right]$

B

$\left[\cfrac{(n-2)2\pi}{n}\right]$

C

$\left[\cfrac{(n-2)\pi}{n}\right]$

D

$\left[\cfrac{(n-2)\pi}{2n}\right]$

E

$\left[\cfrac{(n-2)\pi}{4n}\right]$