30. In a circle with a radius of 30 in, the arc length formed by a central angle of 1/3 rad is:
31. In a circle with a radius of 30 in, the arc length formed by a central angle of 50ΓΒ° is:
32. In a circle with a radius of 30 in, an arc of length 3/2 ft, subtends a central angle of:
33. For a circle of radius 30 in, the area of a sector formed by a central angle of 1/3 rad is:
34. For a circle of radius 18 cm, the area of a sector formed by a central angle of 50ΓΒ° is:
35. The minute hand on a clock is 12 cm long. How far does the tip of the hand travel in 20 minutes?
36. The curve of a railroad track is to be drawn in a circle, what radius should be used if the path changes direction 25ΓΒ° over a distance of 120 m?
37. A sector of a circle has a central angle of 50ΓΒ° and an area of 605 cmΓΒ². Find the radius of the circle.