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" ... 1. To find the length of an arc of 30 degrees, the diameter being 18 feet. ' Ans. 4.712364. 2. To find the length of an arc of 12 10', or 12, the diameter being 20 feet. "
Elements of Geometry and Trigonometry Translated from the French of A.M ... - Page 278
by Charles Davies - 1849 - 359 pages
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A Course of Mathematics in Two Volumes for the Use of Academies as Well as ...

Charles Hutton - Mathematics - 1807
...degrees in the given arc, and that product by the radius of the circle, for the length of the arc *. Ex. 1. To find the length of an arc of 30 degrees, the radius being 9 feet. Ans."4>'7115. Ex. 2. To find the length of an arc of 12 10', or 12", the radius...
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A Course of Mathematics ...: Composed for the Use of the Royal Military ...

Charles Hutton - Mathematics - 1811
...arc *. Ex. 1. To find the length of an arc of 30 degrees, the radius being 9 feet. Ans. 4-7115. Ex. 2. To find the length of an arc of 12* 10', or 12|, the radius being 10 feet. Ans. 2-1231. PROBLEM IX. Tofndthc Area of a Circle f. RULE I. Multiply half the...
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A Course of Mathematics: In Three Volumes : Composed for the Use of the ...

Charles Hutton - Mathematics - 1811
...in the given . arc, and that product by the radius of the circle, for the length of the arc *. EX. 1. To find the length of an arc of 30 degrees, the ^radius being 9 feet. Ans. 4-T1 1:5. EX. 2. To find the length of an arc of 12 10', or 12"|, the...
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A Course of Mathematics: For the Use of Academies as Well as ..., Volume 1

Charles Hutton - Mathematics - 1812
...arc*. • Ex. 1 . To find the length of an arc of 30 degrees, the radius being 9 feet. Ans. 4.7115. Ex. 2. To find the length of an arc of 12 10', or 12.J, the radius being 10 feet. Ans. 2.125 1 . PROBLEM IX. Tofind the Area of a. Circle^. RULE I....
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A Course of Mathematics: For the Use of Academies, as Well as Private ...

Charles Hutton - Mathematics - 1822 - 618 pages
...degrees in the giren arr, and that product by the radius of the circle, for the length Of the arc.* Ex. 1. To find the length of an arc of 30 degrees, the radius being 9 feet. ADS. 4-7115. Ex. 2. To find the length of an arc of 12 10', or the radios being...
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Elements of Geometry and Trigonometry

Adrien Marie Legendre - Geometry - 1836 - 359 pages
...multiplied by the diameter, will give the length of the arc for any diameter whatever. REMARK. — When the arc contains degrees and minutes, reduce the minutes...1. To find the length of an arc of 30 degrees, the diametei being 18 feet. Ans. 4.712364. . 2. To find the length of an arc of 12 10', or 12,the...
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Elements of Geometry and Trigonometry

Adrien Marie Legendre - Geometry - 1837 - 359 pages
...which is done by dividing them by 60. 1. To find the length of an arc of 30 degrees, the diametei oeing 18 feet. ' Ans. 4.712364. 2. To find the length of...2.123472. 3. What is the length of an arc of 10 15', or IQi0, in a circle whose diameter is 68 ? Ans. 6.082396. PROBLEM X. To find the area of a circle. RULE...
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Elements of Geometry and Trigonometry

Adrien Marie Legendre - Geometry - 1838 - 386 pages
...multiplied by the diameter, will give the length of the arc for any diameter whatever. REMARK. — When the arc contains degrees and minutes, reduce the minutes...4.712364. 2. To find the length of an arc of 12 10', or 12i,the diameter being 20 feet. Ans. 2.123472. 3. What is the length of an arc of 10 15', or 10J,...
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Elementary Course of Geometry ...

Charles William Hackley - Geometry - 1847 - 248 pages
...radius of the circle, and the product, again, by the decimal •01745, for the length of the arc.* Ex. 1. To find the length of an arc of 30 degrees, the radius being 9 feet. Ans. 4-7115. Ex. 2. To find the length of an arc of 12 10', or 12, the radius...
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Elements of Geometry and Trigonometry

Adrien Marie Legendre - Geometry - 1852 - 436 pages
...multiplied by the diameter, the product is the length of the arc for any diameter whatever. KEMARK. — When the arc contains degrees and minutes, reduce the minutes...of a degree, which is done by dividing them by 60. Ex. 1. To find the length of an arc of 30 degrees, the diameter being 18 feet. Ans. 4.712364. 2. To...
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