Need help will all questions George has two different sprinklers. The first sprinkler waters an arc of 42 yd, and has a radius of 21 ft. If the second sprinkler waters the same central angle, and has a radius of 27 ft, what is the length of the arc it waters?

36 yd.

48 yd.

13.5 yd.

54 yd.

3. Two circles are concentric, and have radii of 15 and 25 respectively. If two arcs are formed by the same central angle, which of the following are possible arc lengths? Select the two correct answers.

30 and 40

3 and 5

60 and 90

45 and 75

50 and 80

4.Two circles are concentric. Two arcs are formed by the same central angle, with arc lengths of 54 and 81 respectively. Which of the following are possible radii for the circles? Select the two correct answers.

12 and 18

23 and 32

32 and 64

40 and 60

14 and 41