Geometry
Polygon Angles Calculator
Interior sum and each exterior angle for a regular polygon.
Free to use — no sign-up or login.
n = sides · interior / exterior = vertex angles
Interior sum (°)
Each interior (°)
Each exterior (°)
Amortization schedule
| # | Date | Payment | Principal | Extra | Interest | Balance |
|---|---|---|---|---|---|---|
This free Polygon Angles Calculator covers Interior sum and each exterior angle for a regular polygon.
Interior sum (n−2)180°; exterior 360°/n. Related geometry tools sit beside How it works, with no account required.
Using the Polygon Angles Calculator
Interior sum and each exterior angle for a regular polygon. Typical inputs are Number of sides (n). How it works beside the form states the identity the Polygon Angles Calculator applies.
FAQ
How do I use the Polygon Angles Calculator?
Open the Polygon Angles Calculator, fill Number of sides (n), and read the result. Enter Number of sides (n) for the Polygon Angles Calculator; use finite values in the indicated domain. The calculator reports Interior sum (°), Each interior (°), and Each exterior (°): Interior sum (n−2)180°; exterior 360°/n. Number of sides must be a whole number of at least 3.
What formula does the Polygon Angles Calculator use?
The Polygon Angles Calculator uses the identity in How it works. In words: Enter Number of sides (n) for the Polygon Angles Calculator; use finite values in the indicated domain. The calculator reports Interior sum (°), Each interior (°), and Each exterior (°): Interior sum (n−2)180°; exterior 360°/n. Number of sides must be a whole number of at least 3.