SOLUTION: A circular garden, 20 ft in diameter, has a path around it that is 3 ft wide. Find the area of the path? How much fence is needed if the garden is fenced (not including the path)?

Algebra ->  Customizable Word Problem Solvers  -> Geometry -> SOLUTION: A circular garden, 20 ft in diameter, has a path around it that is 3 ft wide. Find the area of the path? How much fence is needed if the garden is fenced (not including the path)?      Log On

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Question 828836: A circular garden, 20 ft in diameter, has a path around it that is 3 ft wide. Find the area of the path? How much fence is needed if the garden is fenced (not including the path)?
Answer by TimothyLamb(4379) About Me  (Show Source):
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area of garden and path:
A = pi*13*13
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area of garden only:
a = pi*10*10
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area of path:
A - a = pi*13*13 - pi*10*10
A - a = 216.77 sq.ft
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garden fencing needed:
c = 2*pi*10
c = 62.83 ft
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