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" It follows that the ratio of the circumference of a circle to its diameter is the same for all circles. "
The National Arithmetic on the Inductive System: Combining the Analytic and ... - Σελίδα 321
των Benjamin Greenleaf - 1851 - 360 σελίδες
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The Practical Teacher, Τόμος 1,Τεύχος 1

1882 - 676 σελίδες
...162337. Ans. (3). i 34. Find in degrees and decimals, an arc equal | in length to the radius, assuming that the ratio of the circumference of a circle to its diameter is 355 : 113. By how much does the length of arc, thus found, differ from that given by assuming the ratio...

Woolwich mathematical papers [aftwerw.] Mathematical papers for admission ...

Woolwich roy. military acad - 1884 - 148 σελίδες
...1. Assuming that a circle may be treated as a regular polygon with an infinite number of sides, shew that the ratio of the circumference of a circle to its diameter is constant. What is the circular measure of the least angle whose sine is j, and what is the measure...

Mathematical Questions and Solutions, from the "Educational Times ..., Τόμος 43

W. J. C. Miller - 1885 - 242 σελίδες
...approximately, we mean that a and b differ by at least some conceivable quantity. Thus, we say rightly that the ratio of the circumference of a circle to its diameter is approximately equal to 3-14 159266 ; but it would be wrong to say that it is approximately equal to...

A Treatise on Elementary Trigonometry

John Bascombe Lock - 1885 - 368 σελίδες
...180 stands for the number one hundred and eighty, and for nothing else. * 30. "We proceed to prove that the ratio of the circumference of a circle to its diameter is the same for all circles. The proof depends on the following important principle ; The length of the...

Exercises in Arithmetic

George Albert Wentworth, George Anthony Hill - 1887 - 448 σελίδες
...doubled ; or, if the diameter be trebled, the circumference will also be trebled ; and BO on. It follows that the ratio of the circumference of a circle to its diameter is the same for all circles. The exact value of this ratio cannot be expressed by numbers, but the value...

Woolwich Mathematical Papers for Admission Into the Royal Military Academy ...

E. J. Brooksmith - 1889 - 356 σελίδες
...1. Assuming that a circle may be treated as a regular polygon with an infinite number of sides, shew that the ratio of the circumference of a circle to its diameter is constant. What is the circular measure of the least angle whose sine is J, and what is the measure...

The Teaching and History of Mathematics in the United States, Τόμοι 890-893

Florian Cajori - 1890 - 414 σελίδες
...different direction and by newly discovered paths. Lanbert, an Alsacian mathematician, proved in 1761 that the ratio of the circumference of a circle to its diameter is incommensurable. Ony nine years ago Lindemann, a German mathematician, demonstratid that this ratio...

Circular of Information of the Bureau of Education, for ..., Τεύχη 1-3

United States. Office of Education - 1890 - 958 σελίδες
...different direction and by newly discovered paths. Lambert, an Alsacian mathematician, proved in 1761 that the ratio of the circumference of a circle to its diameter is incommensurable. Only nine years ago Lindemann, a German mathematician, demonstrated that this ratio...

A Treatise on Plane Trigonometry

Ernest William Hobson - 1891 - 380 σελίδες
...В is of constant magnitude independent of the particular circle used. 7. It will be shewn hereafter that the ratio of the circumference of a circle to its diameter is incommensurable, that is, we are unable to give any integers m and 7г such that m/n is exactly equal...

Arithmetic

George Albert Wentworth - 1892 - 312 σελίδες
...doubled ; or, if the diameter be trebled, the circumference will also be trebled ; and so on. It follows that the ratio of the circumference of a circle to its diameter is the same for all circles. The exact value of this ratio cannot be expressed by numbers, but the value...




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