 | Charles Hutton - 1807 - عدد الصفحات: 464
...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... | |
 | Charles Hutton - 1811 - عدد الصفحات: 442
...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... | |
 | Charles Hutton - 1811 - عدد الصفحات: 494
...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... | |
 | Charles Hutton - 1812 - عدد الصفحات: 620
...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.... | |
 | Charles Hutton - 1822 - عدد الصفحات: 616
...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... | |
 | Adrien Marie Legendre - 1836 - عدد الصفحات: 394
...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... | |
 | Adrien Marie Legendre - 1837 - عدد الصفحات: 376
...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... | |
 | Adrien Marie Legendre - 1838 - عدد الصفحات: 382
...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°,... | |
 | Charles William Hackley - 1847 - عدد الصفحات: 248
...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... | |
 | Adrien Marie Legendre - 1852 - عدد الصفحات: 436
...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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... 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. 
