37 



Table of areas of circles for diameters of 1 inch to 60 inches. 



Di- 



Area of 



Di- 



Area of 



Di- 



Area of 



Di- 



Area of 



Di- 



Area of 



Di- 



Area of 



ame- 

 ter. 



circle. 



ame- 

 ter. 



circle. 



ame- 

 ter. 



circle. 



ame- 

 ter. 



circle. 



ame- 

 ter. 



circle. 



ame- 

 ter. 



circle. 

 Sq.ft. i 



In. 



Sq. ft. 



In. 



Sq.ft. 



In. 



Sq.ft. 



In. 



Sq.ft. 



In. 



Sq. ft. 



In. 



1.0 



0. 0055 



3.0 



0.0491 



5.0 



0. 1364 



7.0 



0. 2673 



9.0 



0. 4418 



11.0 



0.6600 I 



.1 



.0067 



.1 



.0524 



.1 



.1418 



.1 



.2750 



.1 



.4517 



.1 



.6721 1 



.2 



.0079 



.2 



.0559 



.2 



. 1474 



.2 



.2828 



.2 



.4617 



.2 



.6842 



.3 



.0092 



.3 



.0594 



.3 



.1532 



.3 



.2907 



1 .3 



.4718 



.3 



.6965 



.4 



.0107 



.4 



.0631 



.4 



.1590 



.4 



.2987 



1 •'^ 



.4820 



.4 



.7089 



.5 



.0123 



.5 



.0669 



.5 



.1650 



.5 



.3068 



.5 



.4923 



.5 



.7214 



.6 



.0140 



.6 



.0707 



.6 



.1710 



.6 



.3151 



1 .6 



.5027 



.6 



.7340 



.7 



.0158 



.7 



.0747 



.7 



.1772 



.7 



.3234 



.7 



.5132 



.7 



.7467 



.8 



.0177 



.8 



.0788 



.8 



.1835 



.8 



.3319 



.8 



.5238 



.8 



.7595 



.9 



.0197 



.9 



.0830 



.9 



.1899 



.9 



.3404 



.9 



.5345 



.9 



.7724 



2.0 



.0218 



4.0 



.0873 



6.0 



.1963 



8.0 



.3491 



10.0 



. 5454 



12.0 



.7854 



.1 



.0240 



.1 



.0917 



.1 



.2029 



.1 



.3579 



.1 



.5564 



.1 



.7986 



.2 



.0264 



.2 



.0963 



.2 



.2096 



.2 



.3668 



.2 



.5675 



.2 



.8118 



.3 



.0289 



.3 



.1009 



.3 



.2164 



.3 



.3758 



.3 



.5787 



.3 



.8252 



.4 



.0314 



.4 



.1056 



.4 



.2234 



.4 



.3849 



.4 



.5900 



.4 



.8387 



.5 



. 0341 



.5 



.1106 



.5 



.2304 



.5 



.3941 



.5 



.6014 



.5 



.8523 



.6 



.0369 



.6 



.1154 



.6 



.2376 



.6 



.4034 



.6 



.6129 



.6 



.8660 



.7 



.0398 



.7 



. 1205 



.7 



.2448 



.7 



. 4129 - 



.7 



.6245 



.7 



.8798 



.8 



. 0428 



.8 



.1257 



.8 



.2522 



.8 



.4224 



.8 



.6362 



.8 



. 8937 



.9 



.0459 



.9 



.1310 



, .9 



.2597 



.9 



.4321 



.9 



.6481 



.9 



.9077 



13.0 



0.9218 



16.4 



1. 4670 



19.8 



2. 1382 



23.2 



2. 9356 



26.6 



3. 8591 



30 



4. 9087 



.1 



.9360 



.5 



1. 4849 



.9 



2. 1599 



.3 



2. 9610 



.7 



3. 8882 



31 



5. 2414 



.2 



.9504 



.6 



1. 5030 



20.0 



2. 1817 



.4 



2. 9864 



.8 



3. 9174 



32 



5. 5851 



.3 



.9648 



.7 



1. 5212 



.1 



2. 2036 



.5 



3. 0120 



.9 



3. 9467 



33 



5. 9396 



.4 



.9794 



.8 



1. 5394 



.2 



2. 2256 



.6 



3.0377 



27.0 



3. 9761 



34 



6. 3050 



.5 



.9941 



.9 



1. 5578 



.3 



2. 2477 



.7 



3. 0635 



.1 



4. 0056 



35 



6. 6813 



.6 



1. 0089 



17.0 



1. 5763 



.4 



2. 2699 



.8 



3. 0894 



.2 



4. 0353 



36 



7. 0686 



.7 



1.0237 



.1 



1.5949 



.5 



2. 2922 



.9 



3. 1154 



.3 



4. 0650 



37 



7. 4667 



.8 



1. 0387 



.2 



1.6136 



.6 



2. 3146 



24.0 



3. 1416 



.4 



4. 0948 



38 



7. 8758 



.9 



1. 0538 



.3 



1. 6324 



.7 



2. 3371 



.1 



3. 1679 



.5 



4. 1248 



39 



8. 2958 



14.0 



1. 0690 



.4 



1. 6513 



.8 



2. 3597 



.2 



3. 1942 



.6 



4. 1548 



40 



8. 7266 



.1 



1. 0843 



.5 



1. 6703 



.9 



2. 3825 



.3 



3. 2207 



.7 



4. 1850 



41 



9. 1684 



.2 



1. 0997 



.6 



1. 6894 



21.0 



2. 4053 



.4 



3. 2471 



.8 



4. 2152 



42 



9.6211 



.3 



1.1153 



.7 



I. 7087 



.1 



2. 4283 



.5 



3. 2748 



.9 



4. 2456 



43 



10. 0847 



.4 



1. 1309 



.8 



1. 7280 



.2 



2. 4514 



.6 



3. 3006 



28.0 



4. 2761 



44 



10. 5592 



.5 



1. 1467 



.9 



1. 7475 



.3 



2.4745 



.7 



3. 3275 



.1 



4. 3067 



45 



11. 0447 



.6 



1. 1626 



18.0 



1. 7671 



.4 



2. 4978 



.8 



3. 3545 



.2 



4. 3374 



46 



11. 5410 



.7 



1.1785 



.1 



1. 7868 



.5 



2.5212 



.9 



3. 3816 



.3 



4. 3681 



47 



12. 0482 



.8 



1. 1946 



.2 



1.8066 



.6 



2. 5447 



25.0 



3. 4088 



.4 



4. 3991 



48 



12. 5664 



.9 



1. 2108 



.3 



1. 8265 



.7 



2. 5684 



.1 



3. 4361 



.5 



4. 4301 



49 



13. 0954 



15.0 



1. 2272 



.4 



1. 8465 



.8 



2. 5921 



.2 



3.4636 



.6 



4. 4612 



50 



13. 6354 



.1 



1. 2437 



.5 



1. 8666 



.9 



2. 6159 



.3 



3.4911 



.7 



4. 4925 



51 



14. 1863 



.2 



1. 2602 



.6 



1. 8869 



22.0 



2. 6398 



.4 



3. 5188 



.8 



4. 5238 



52 



14. 7480 



.3 



1. 2768 



.7 



1. 9072 



.1 



2. 6638 



.5 



3. 5465 



.9 



4. 5553 



53 



15. 3207 



.4 



1. 2936 



.8 



1.9277 



.2 



2. 6880 



.6 



3. 5744 



29.0 



4. 5869 



54 



15. 9043 



.5 



1.3104 



.9 



1.9482 



.3 



2. 7122 



.7 



3. 6024 



.1 



4. 6186 



55 



16. 4988 



.6 



1. 3274 



19.0 



1.9689 



.4 



2. 7366 



.8 



3. 6305 



.2 



4. 6504 



56 



17. 1042 



.7 



1. 3444 



.1 



1.9897 



.5 



2.7611 



.9 



3. 6587 



.3 



4. 6823 



57 



17. 7206 



.8 



1. 3616 



.2 



2. 0206 



.6 



2. 7857 



26.0 



3. 6870 



.4 



4.7143 



58 



18. 3478 



.9 



1. 3789 



.3 



2. 0316 



.7 



2.8104 



.1 



3. 7154 



.5 



4. 7464 



59 



18. 9859 



16.0 



1. 3963 



.4 



2. 0527 



.8 



2. 8352 



.2 



3. 7439 



.6 



4. 7787 



60 



19. 6350 



.1 



1.4138 



.5 



2. 0739 



.9 



2. 8602 



.3 



3. 7725 



.7 



4.8110 







.2 



1.4314 



.6 



2. 0952 



23.0 



2. 8852 



.4 



3. 8013 



.8 



4. 8435 







.3 



1.4492 



.7 



2. 1167 



.1 



2. 9103 



.5 



3. 8301 



.9 



4. 8760 







