 | Anthony Nesbit - 1824 - 476 páginas
...'the arc,- and -- - --- 107.3312-24 83.3312 of the arc; then 27.77706 203.32795, the area required. 2. What is the area of a sector of a circle whose radius is 15, and the chord of the whole arc 18 feet ? Arts. 144./2. 8 in. 10 pa. 3. If the radius of a sector... | |
 | John Radford Young - 1850 - 294 páginas
...circle whose radius is feet, and the length of the arc 16 feet. Am. 12,5 X 8= 100 Feet, the area. 2. What is the area of a sector of a circle whose radius is 45 feet, the arc of the sector containing 35"? 3•1416 X45z=636l-74, the area of the circle. and —... | |
 | Henry H. Hutton - 1882 - 178 páginas
...the lower denominations. 35. Find the area of a circular garden whose circumference is 200 feet. 36. What is the area of a sector of a circle whose radius is 50 yards, the arc of the sector being 30 yards in length ? 37. The circumference of a circular field... | |
 | Henry Law - 1884 - 568 páginas
...is the length of an arc of 73° of a circle, whose radius is 34-72 feet? Ans. 44-237 feet. [ 1 1 .] What is the area of a sector of a circle whose radius...26 feet, and whose sides include an angle of 42° 1 Ans. 247-58 feet. [12.] ^ liat is the area of a parabola whose abscissa is 5-32, and the corresponding... | |
 | Frank Eugene Kidder - 1892 - 1032 páginas
...the number of degrees in '" the arc by the area of the whole circle, and divide by 360.. EXAMPLE. — What is the area of a sector of a circle whose radius is 5, and the length of the arc is 60°? Ans. Area of. circle = 10 X 10 X 0.7854 = 78.54. 78.") x 60 Then... | |
 | Webster Wells - 1908 - 206 páginas
...Ex. 34. One side of an inscribed equilateral triangle is 10 ; find the radius of the circle. Ex. 35. What is the area of a sector of a circle whose radius is 12, if the angle of the sector is 46° ? Ex. 36. Find the ratio of the area of a circle to the area... | |
 | Frank Eugene Kidder - 1908 - 1760 páginas
...the number of degrees in the arc by the area of the whole circle, and divide by 3(>0. EXAMPLE. — What is the area of a sector. of a circle whose radius is 5, and the length of the arc is 60°? Ans. Area of circle =10X10X0. 7854 = 78.54. rni ft O . «JX *M... | |
 | Webster Wells - 1908 - 336 páginas
...Ex. 34. One side of an inscribed equilateral triangle is 10 ; find the radius of the circle. Ex. 35. What is the area of a sector of a circle whose radius is 12, if the angle of the sector is 45° ? Ex. 36. Find the ratio of the area of a circle to the area... | |
 | Webster Wells - 1908 - 329 páginas
...Ex. 34. One side of an inscribed equilateral triangle is 10 ; find the radius of the circle. Ex. 35. What is the area of a sector of a circle whose radius is 12, if the angle of the sector is 45° ? Ex. 36. Find the ratio of the .area of a circle to the area... | |
 | Charles Gerard White, Pitt Payson Colgrove - 1916 - 368 páginas
...And 2 X 42 X ^ = 264 ft. Find the area of a circle whose radius is 4 ft. A = vR2 = 16 X \2- = 50f ft. What is the area of a sector of a circle whose radius is 8 ft. and whose arc is 2 ft.? £ X 8 X 2 = 8 ft. 207. A segment of a circle is that part of the circle... | |
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Multiply the number of degrees in the arc by the area of the whole circle and divide by 360. Example. What is the area of a sector of a circle whose radius is 5 and length of arc 60°? 
