This quarter circle area reference table shows the area for a range of radius values. Every figure is computed with the same engine that powers our Quarter Circle Area Calculator, so the numbers are exact.
| Radius | Area |
|---|---|
| 2.5 | 4.9087 |
| 5 | 19.6350 |
| 7.5 | 44.1786 |
| 10 | 78.5398 |
| 15 | 176.7146 |
| 20 | 314.1593 |
| 30 | 706.8583 |
| 50 | 1,963.4954 |
| 70 | 3,848.4510 |
| 100 | 7,853.9816 |
How to use this table
Find the row closest to your radius and read across to the area. For a value between two rows, the real figure sits between them — or enter your exact numbers in the Quarter Circle Area Calculator for a precise answer.
Need a value that is not in the table? — the Quarter Circle Area Calculator does it instantly, for free, with the formula and a worked example built in.
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