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Area of 18 x 20
The area of a 18 x 20 rectangle is 360.00 square units. Free area calculator with formulas.
360.00 square units
Formula: Length x Width = 18 x 20 = 360.00
How This Was Calculated
Rectangle: A = width ร height
Circle: A = ฯ ร rยฒ
Triangle: A = ยฝ ร base ร height
Square: A = sideยฒ
Quick Reference Table
| Input | Result |
|---|---|
| 18 / 15 | 270.00 square units |
| 18 / 18 | 324.00 square units |
| 18 / 19 | 342.00 square units |
| 18 / 21 | 378.00 square units |
| 18 / 22 | 396.00 square units |
| 18 / 25 | 450.00 square units |
Frequently Asked Questions
What units does the area calculator use?
It uses generic square units; you can apply any unit of measurement.
Can I calculate area for irregular shapes?
This calculator handles standard geometric shapes only.
What is the formula for a circle area?
A = ฯ ร rยฒ where r is the radius.