Step-by-step instructions
- Enter or select Number of sides.
- Tap Calculate.
- Review the result shown directly below the calculator.
Calculate interior angle and sum of interior angles.
Calculate interior angle and sum of interior angles.
The calculator applies the standard mathematical relationship for the labeled inputs and returns the computed result automatically.
Enter a realistic value for Number of sides and tap Calculate to see the computed result.
Use the result as an estimate based on the values you entered. For planning decisions, double-check that the input units and assumptions match your real situation.
Tip: Keep all values in compatible units and use values from the same time period when the calculator compares two amounts.