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Area of 20 x 42
The area of a 20 x 42 rectangle is 840.00 square units. Free area calculator with formulas.
840.00 square units
Formula: Length x Width = 20 x 42 = 840.00
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 |
|---|---|
| 20 / 37 | 740.00 square units |
| 20 / 40 | 800.00 square units |
| 20 / 41 | 820.00 square units |
| 20 / 43 | 860.00 square units |
| 20 / 44 | 880.00 square units |
| 20 / 47 | 940.00 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.