 | Adrien Marie Legendre - 1836 - 394 σελίδες
...Ans. 1075.298375. 3. To find the area of a decagon whose side is 20. Ans. 3077.C8352. PROBLEM VIII. To find the circumference of a circle when the diameter is given, or the diameter when the circumference is given. Ki ji'. — Multiply llie diameter by 3.1416, and... | |
 | James Gallier - 1836 - 228 σελίδες
...longest opposite angles, which will divide the figure into two triangles, which measure as before. To find the Circumference of a Circle, when the Diameter is given; or the Diameter, when the Circumference is given. RULE. — Multiply the diameter by 3.1416, and the... | |
 | J. M. Scribner - 1844 - 130 σελίδες
...the transverse, and the shortest the conjugate axis ; thus, ABCD (fig. 8) is an ellipse. PROBLEM I. To find the circumference of a Circle when the diameter is given. ART. 16. Rvle I.— Multiply the diameter by 3.14159, and the product will be the circumference. Or,... | |
 | Scottish school-book assoc - 1845 - 444 σελίδες
...yards. PROBLEM VII. To find the diameter and circumference of a circle the one from the other. CASE I. To find the circumference of a circle when the diameter is given. RULE. Multiply the diameter by sj>, ^73 or 3'1416, and the product will be the circumference nearly.... | |
 | Frederick Walter Simms - 1845 - 184 σελίδες
...=1.77245385. =114.59155903. =0.88622692. =0.78539816. SOME USES OF THE FOREGOING TABLE IN CALCULATING AREAS. To find the circumference of a circle when the diameter is given. Rule. — Multiply the given diameter by the factor C, using any number of decimals that may be considered... | |
 | James Robinson (of Boston.) - 1847 - 304 σελίδες
...octagon whose side is 20 rods? 6. What is the area of a dodecagon whose side is 30 feet ? Art. 2O1« To FIND THE CIRCUMFERENCE OF A CIRCLE WHEN THE DIAMETER IS GIVEN. RULE. Multiply the diameter by 3. 1416 ; the product will be the circumference. 1. Suppose the diameter... | |
 | J. M. Scribner - 1849 - 286 σελίδες
...length, the longest of which is called the transverse, and the shortest the conjugate axis. PROBLEM L To find the Circumference of a Circle when the Diameter is given. Rule. — Multiply the diameter by 3-1416, and the product will be the circumference. Or, multiply... | |
 | Charles Davies - 1849 - 372 σελίδες
...Ans. 1075.298375. 3. To find the area of a decagon whose side is 20. Ans. 3077.08352. PROBLEM VIII. i To find the circumference of a circle when the diameter is given, or the dicmeter when the circumference is given. Rn.E.—Multiply the diameter by 3.1410, and the product... | |
 | Almon Ticknor - 1849 - 156 σελίδες
...7-3, 6, 7-5, 7, and 8-8 yards; what is the area? Ans. 342-916 sq. yards. PROBLEM 28. — THE CIRCLE. To find the circumference of a circle when the diameter is given, or the diameter when the circumference is given. RULE. — Multiply the diameter by 3-1416, and the... | |
 | Thomas Rainey - 1849 - 320 σελίδες
...Ans. Here, we multiply by the decimals, and consequently cast off four decimals in the result. Hence, To find the circumference of a. circle, when the diameter is given, multiply the diameter 6y3.1416, and cut off four places of decimals in the -answer : or, for entire... | |
| |
To find the circumference of a circle when the diameter is given, or the diameter when the circumference is given. 
