বিভিন্ন বার সাইজ এবং সংখ্যার ক্ষেত্রফল
Md. Ashraful Haque, 17-Nov-2012
ভিউ : 120897
বার সাইজ (mm) | ||||||||||
| বার সংখ্যার | ||||||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | |
| 6 | 28.3 | 56.5 | 84.8 | 113.1 | 141.4 | 169.6 | 197.9 | 226.2 | 254.5 | 282.7 |
| 8 | 50.3 | 100.5 | 150.8 | 201.1 | 251.3 | 301.6 | 351.9 | 402.1 | 452.4 | 502.7 |
| 10 | 78.5 | 157.1 | 235.6 | 314.2 | 392.7 | 471.2 | 549.8 | 628.3 | 706.9 | 785.4 |
| 12 | 113.1 | 226.2 | 339.3 | 452.4 | 565.5 | 678.6 | 791.7 | 904.8 | 1017.9 | 1131 |
| 16 | 201.1 | 402.1 | 603.2 | 804.2 | 1005.3 | 1206.4 | 1407.4 | 1608.5 | 1809.6 | 2010.6 |
| 20 | 314.2 | 628.3 | 942.5 | 1256.6 | 1570.8 | 1885 | 2199.1 | 2513.3 | 2827.4 | 3141.6 |
| 25 | 490.9 | 981.7 | 1472.6 | 1963.5 | 2454.4 | 2945.2 | 3436.1 | 3927 | 4417.9 | 4908.7 |
| 32 | 804.2 | 1608.5 | 2412.7 | 3217 | 4021.2 | 4825.5 | 5629.7 | 6434 | 7238.2 | 8042.5 |