| 1 a = 1000000 cm² | 
| 2 a = 2000000 cm² | 
| 3 a = 3000000 cm² | 
| 4 a = 4000000 cm² | 
| 5 a = 5000000 cm² | 
| 6 a = 6000000 cm² | 
| 7 a = 7000000 cm² | 
| 8 a = 8000000 cm² | 
| 9 a = 9000000 cm² | 
| 10 a = 10000000 cm² | 
| 15 a = 15000000 cm² | 
| 50 a = 50000000 cm² | 
| 100 a = 100000000 cm² | 
| 500 a = 500000000 cm² | 
| 1000 a = 1000000000 cm² | 
| 5000 a = 5000000000 cm² | 
| 10000 a = 10000000000 cm² |