A circular flower bed is sectioned off. The arc intercepted by the 120 central angle is to be bordered with marigolds. The garden has a diameter of 63 inches.
C= pi(d), pi= 22/7
If you plant the marigolds about eight inches apart, what is the least number plants you must buy?
A. 25
B. 16
C. 9
D. 4
E. Insufficient information.
Please help!

Question

A circular flower bed is sectioned off. The arc intercepted by the 120 central angle is to be bordered with marigolds. The garden has a diameter of 63 inches. 
C= pi(d), pi= 22/7 
If you plant the marigolds about eight inches apart, what is the least number plants you must buy? 
A. 25 
B. 16 
C. 9 
D. 4 
E. Insufficient information. 
Please help!

wolf1728 · Answer

120 degrees = 2.094 radians
arc length = 31.5 * 2.094
arc length = 65.97

Flowers every 8 inches would mean you need 8 flowers.

anonymous · Answer

Thank you. But 8 wasn't the answer. It was 9. Close enough. Can you help me with the other question of mine?