please answer circled questions
6.1 PRECALCULUS SECTION 6.1 Angles and Their Measur Skill Building In Problems 11-22, draw each angle in standard position. \\11. 30 12. 60 13. 135 14. - 120 15. 450 16. 540 21 17 17. 18. 19. 20. 21. 22. 4 In Problems 23-28, convert each angle to a decimal in degrees. Round your answer to two decimal places. \\23. 40 10'25" 24. 6142'21" 25. 102'3" 26. 73 40'40" 27. 909'9" 28. 98 22'45" In Problems 29-34, convert each angle to DOM'S" form. Round your answer to the nearest second 29. 40.32 30. 61.24 31. 18.2550 32. 29.411 33 19.990 34. 44.010 In Problems 35-46, convert each angle in degrees to radians. Express your answer as a multiple of T. (35. )30 36. 120 37.) 240 38. 330 39. -60 40. -30 41 180 42. 270 43. -1350 44. -225 45. -90 . -180 In Problems 47-58, convert each angle in radians to degrees. X 47 71 48. STT 2 TT 3 49. 50. 6 51. 2 52. 4TT 4 53 TT 12 54. 5 TT 12 55. 56. -TT 3TT 57. 6 58. 4 In Problems 59-64, convert each angle in degrees to radians. Express your answer in decimal form, rounded to two decimal 59.) 170 60. 73 61. -40 62. -510 63. 1250 64. 350 In Problems 65-70, convert each angle in radians to degrees. Express your answer in decimal form, rounded to two decimal 65. 3.14 66. 0.75 67. 2 68. 3 69. 6.32 70. V2 In Problems 71-78, s denotes the length of the arc of a circle of radius r subtended by the central angle 0. Find the missing quan answers to three decimal places (71.) r = 10 meters, 0 = radian, s = ? 72. r = 6 feet, 0 = 2 radians, s = ? (73. 0 = 2 radian, s = 2 feet, r = ? 74. 0 = = radian, s = 6 centimeters, r = ? 5 r = 5 miles, s = 3 miles, 0 = ? 76. r = 6 meters, s = 8 meters, 0 = ? 77. = 2 inches, 0 = 30%, s = ? 78. r = 3 meters, 0 = 120, s = ? In Problems 79-86, A denotes the area of the sector of a circle of radius r formed by the central angle 0. Find the missing qu answers to three decimal places. (79 r = 10 meters, 0 = = radian, A = ? 80. r = 6 feet, 0 = 2 radians, A = ? 81. 1 0 = = radian, A = 2 square feet, r = ? 82. 0 = = radian, A = 6 square centimeters, 83. r = 5 miles, A = 3 square miles, 0 = ? 84. r = 6 meters, A = 8 square meters, 85. )r = 2 inches, 0 = 309, A = ? 86. r = 3 meters, 0 = 120, A = ? In Problems 87-90, find the length s and area A. Round answers to three decimal places. 87. 88. 89. 90. A 70 2 ft 4 m 12 yd Applications and Extensions 1. Movement of a Minute Hand The minute hand of a clock is 6 inches long. How far does the tip of the minute hand move in 15 minutes? How far does it move in 25 minutes? Round answers to two decimal places
