SOLUTION: [ Bob has enough fertilizer to cover 310 ft^2 of garden space. What is the diameter of the largest circular garden that Bob can fertilize? Use 3.14 as pie. ]

Question 825168: [ Bob has enough fertilizer to cover 310 ft^2 of garden space. What is the diameter of the largest circular garden that Bob can fertilize? Use 3.14 as pie. ]
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
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circle area:
a = pi*r*r
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r*r = a/pi
r = sqrt(a/pi)
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d = 2*r
d = 2*sqrt(a/pi)
d = 2*sqrt(310/3.14)
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solution:
d = 19.87 ft
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