 | Charles Vyse - Arithmetic - 1785 - 350 pages
...4,828427 9 Nonagon. 6,181824 10 Decagon . 7,694209 11 Undecagon. 12 Duodecagon. H,to61<;2 PROBLEM VI. To -find the Diameter and Circumference of a Circle, the one from the other. RULES. 1. Multiply the Diameter by 3 ,141 6, and the Product will be the Circumference. And therefore,... | |
 | Charles Hutton - Measurement - 1788 - 728 pages
...area of a trigon whofe fide is 20 ? Here -433013 x 20 X 20 = 173-2052 = the area required. PROBLEM VI. To find the Diameter and Circumference of a Circle, the one from the other.* RULE I. As 7 is to 22, fo is die diameter to the circumference. As 22 is to 7, fo is. the circumference... | |
 | Charles Vyse - Arithmetic - 1806 - 342 pages
...Nonagon. 6,181824 10 Decagon. 7,691-209 11 Undeeagon. 9/565641 12 | Dodecagon. 11,190152 PROBLEM VI. To find the Diameter and Circumference of a Circle, the one from the other. RULES, 1. Multiply the Diameter by 3,1416, and the Produft will be the Circumference. And therefore,... | |
 | Charles Hutton - Mathematics - 1807 - 464 pages
...Circle, the one from the other. THIS may be done nearly by either of the two following proportions, viz. As 7 is to 22, so is the diameter to the circumference. Or, As 1 is to 3*1416, so is the diameter to the circumference *. Ex. 1 . To find the circumference... | |
 | Peter Nicholson - 1809 - 426 pages
...given, to find the circumference; or the circumference being given, to find the diameter. METHOD I. As 7 is to 22, so is the diameter to the circumference nearly; or, as 22 is to 7, so is the circumference to. the diameter nearly. EXAMPLE 1. What is the... | |
 | Charles Hutton - Mathematics - 1811 - 442 pages
...Circle) t&e one from the other. THI8- may be done nearly by either of the two following proportions, viz. As 7 is to '22, so is the diameter to the circumference. Or, As 1 is to 3-1416, so is the diameter to the circumference *. Ex. 1 . To find the circumference... | |
 | Caleb Alexander - Arithmetic - 1813 - 152 pages
...length of the diameter, or the circumference ; one of which being known, the other is easily found ; for as 7 : is to 22 : : so is the diameter : to the circumference ; and as 22 : is to i* : i so is the circumference to the -diameter. In this annexed figure, the diameter... | |
 | Oliver Welch - Arithmetic - 1857 - 244 pages
...U is the semidiameter or radius. ' \ ' X. -' PROBLEM I. Diameter given to Jind the. circwnferenct, RULE 1. — As 7 is to 22 so is the diameter to the circumference. RULE 2i — As 113 is to 355.J5O is the diam. to the circum. . Examples. 1. What is the circumference... | |
 | John Preston - Arithmetic - 1817 - 538 pages
...circle 4 times less. Answer, 12. 24 x 24 = 576 -r- 4 = 144 v of which is 12 the answer. NOTE 1. — To find the diameter and circumference of a circle the one from the other. Multiply the diameter by 3.1416. the product will be the circumference : Therefore, Divide the circumference... | |
 | Thomas Keith - 1817 - 306 pages
...another as their diameters, or radii. Kcitlt,t Geometry, book vii. prop. 194 and 195, &c. RULES. I. As 7 is to 22, so is the diameter to the circumference. Or, as 113 is to 355, so is the diameter to the circumference. Or, as 1 is to 3'14lG, so is the diameter... | |
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NOTE. — 1. As 7 is to 22, so is the diameter to the circumference; or, as 22 is to 7, so is the circumference to the diameter. 
