| Hint | Answer | % Correct |
|---|---|---|
| π/2 | 90 | 89%
|
| 3π/4 | 135 | 78%
|
| 4π/3 | 240 | 78%
|
| π/6 | 30 | 78%
|
| 5π/6 | 150 | 67%
|
| π | 180 | 67%
|
| 2π/3 | 120 | 56%
|
| 2π | 360 | 56%
|
| π/4 | 45 | 56%
|
| π/3 | 60 | 56%
|
| π/20 | 9 | 56%
|
| π/18 | 10 | 44%
|
| 4π/5 | 144 | 44%
|
| 8π/9 | 160 | 44%
|
| 2π/5 | 72 | 44%
|
| 7π/9 | 140 | 33%
|
| π/10 | 18 | 33%
|
| π/9 | 20 | 33%
|
| 6π/5 | 216 | 33%
|
| 7π/5 | 252 | 33%
|
| 3π/2 | 270 | 33%
|
| 2π/9 | 40 | 33%
|
| 4π/9 | 80 | 33%
|
| 3π/5 | 108 | 22%
|
| π/12 | 15 | 22%
|
| 7π/6 | 210 | 22%
|
| 9π/5 | 324 | 22%
|
| π/5 | 36 | 22%
|
| 5π/9 | 100 | 11%
|
| π/15 | 12 | 11%
|