SOLUTION: A model airplane flies a circular course at the speed of 175 ft/sec. If it completes one circuit in 3 seconds, what is the radius of the circle?

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Question 289593: A model airplane flies a circular course at the speed of 175 ft/sec. If it completes one
circuit in 3 seconds, what is the radius of the circle?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
175*3=525 ft is the circumferance of the circle.
525=2*3.14*r
525=6.28r
r=525/6.28
r=83.6 ft. is the radius.