| A | B |
|---|
| 30, 60, 90 ratio | 1: √3 :2 |
| 45, 45, 90 | 1 : 1 : Sqrt(2) |
| Most Common Prime Factors | 2, 3, 5, 7, 11, 13, 17, 19, 23, 29 |
| Right Triangles Family #1 | 3, 4, 5; 6, 8, 10; 9, 12, 15; 12, 16, 20 |
| Right Triangles Family #2 | 5, 12, 13; 10, 24, 26 |
| Unique Right Triangles | 7, 24, 25; 8, 15, 17 |
| Triangle Rule | sum 2 sides > 3rd; difference < 3rd |
| Area of Parallelogram | b x h |
|
