Area of a Regular Polygon 81 cm with 9 sides Calculator
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Area of a Regular Polygon 81 cm with 9 sides is 40558.9485353 cm²
Area of a Regular Polygon 81 cm with 9 sides is 40558.9485353 cm²
Area of a Regular Polygon 81 cm with 9 sides in other units
| Value | unit |
|---|---|
| 0.4055895 | km² |
| 0.2520222 | mi² |
| 405.5894854 | m² |
| 1330.6741645 | ft² |
| 15968.0899745 | in² |
| 443.5580548 | yd² |
| 40558.9485353 | cm² |
| 405589.485353 | mm² |
Steps:
Given that Side, a = 81 cm and No of sides, n = 9
We know that, Area = n * a² * cot(π/n) /4
Put the values in area Formula.
A = 9 * cm² * cot(π/9)/4
Simplify the above equation
A = 40558.9485353 cm²
∴ Area of a Regular Polygon 81 cm with 9 sides is 40558.9485353 cm²