Area of a Regular Octagon side 9 cm Calculator
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Area of a Regular Octagon side 9 cm is 391.1025971 cm²
Area of a Regular Octagon side 9 cm is 391.1025971 cm²
Area of a Regular Octagon side 9 cm in other units
| Value | unit |
|---|---|
| 0.003911 | km² |
| 0.0024302 | mi² |
| 3.911026 | m² |
| 12.83145 | ft² |
| 153.9774004 | in² |
| 4.27715 | yd² |
| 391.1025971 | cm² |
| 3911.025971 | mm² |
Steps:
Given that Side, a = 9 cm
We know that, Area = 2 (1 + √2) * a²
Put the value of side in area Formula.
A = 2 (1 + √2) * 9²
Simplify the above equation
A = 391.1025971 cm²
∴ Area of a Regular Octagon side 9 cm is 391.1025971 cm²