Table 2 Perimeters of four blade cross sections having the same area of π
Cross section shape | Perimeter |
---|---|
Triangle | = 8.080642 |
Rectangle | = 7.089816 |
Hexagon | = 6.597817 |
Circle | 2π = 6.283186 |
Cross section shape | Perimeter |
---|---|
Triangle | = 8.080642 |
Rectangle | = 7.089816 |
Hexagon | = 6.597817 |
Circle | 2π = 6.283186 |