Geometry Math
posted by Aria
In designing a circular flower bed where the diameter of the circle is 13 feet long, a gardener decides it would look best to space the flowers 7 inches apart. How many flowers will be needed around the outside of the flower bed?
(I've tried finding the circumference and dividing it by 7.. No idea how to do this. Some sort of formula?)
Thanks! (:

Steve
you have the right idea. but you need to change feet to inches, so the units match:
13π*12/7 = 70.01
So, there will be 70 spaces between flowers. Since they are in a circle, there will be 70 flowers.
Had they been in a line, there would have been 71, since the ends would each have a flower. 
Aria
Thank you so much, Steve!!
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