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17 November, 02:49

A circular swimming pool is 21 feet in

diameter. Mayra wants to place decorative tile

around the edge of the entire pool. About how

many near feet of tile would Mayra need for this

project?

F. 139 feet

G. 66 feet

H. 33 feet

J. 132 feet

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Answers (2)
  1. 17 November, 04:38
    0
    G. 66 feet

    Step-by-step explanation:

    Circumference = pi * d

    3.14 * 21

    = 65.94 feet
  2. 17 November, 05:25
    0
    66 feet

    Step-by-step explanation:

    Mayra wants to place tiles on the edge of pool, i. e, on the circumference of the circular part

    so the length required will be, 2πr

    radius=21/2 feet=10.5feet

    now req lenght = (2π10.5) = 66 (feet)
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