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23 August, 07:08

A circular swimming pool has a radius of 28 ft. There is a path all around the pool that is 4 ft wide. A fence is going to be built around the outside edge of the pool path.

About how many feet of fencing are needed to go around the pool path? Use 3.14

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Answers (2)
  1. 23 August, 07:47
    0
    201 feet

    Step-by-step explanation:

    Given:

    radius=28 ft

    path = 4 ft

    radius + path = 28+4

    =32

    Circumference of circle = 2πr

    c = 2 * π * 32

    = 200.9

    =201!

    201 feet of fencing are needed to go around the pool path!
  2. 23 August, 08:37
    0
    We need approximately 201 ft of fencing

    Step-by-step explanation:

    We need to find the circumference of the pool plus the fence

    C = 2*pi * r where r is the radius of the pool and the fence

    r = 28 + 4 = 32

    C = 2 * pi * (32)

    C = 64 pi

    Letting pi = 3.14

    C = 64*3.14

    C = 200.96 ft

    Rounding to the nearest foot

    We need approximately 201 ft of fencing
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