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13 March, 14:53

Circle P has a circumference of approximately 75 inches.

What is the approximate length of the radius, r? Use 3.14 for

1. Round to the nearest inch.

0 12 inches

0.24 inches

38 inches

46 inches

+3
Answers (2)
  1. 13 March, 15:41
    0
    The length of the radius is 12 in

    Step-by-step explanation:

    To solve this problem we need to use the circumferenc formula of a circle:

    c = circumference = 75in

    r = radius

    π = 3.14

    c = 2π * r

    we replace with the known values

    75in = 2 * 3.14 * r

    75in = 6.28 * r

    75in / 6.28 = r

    11.94in = r

    round to the nearest inch

    r = 11.94in = 12 in

    The length of the radius is 12 in
  2. 13 March, 17:17
    0
    1) 12in

    Step-by-step explanation:

    The circumference is 75, so to find the diameter you have to divide 75 by 3.14. You get 24 approximately. Then divide the diameter by 2, so 24/2=12.
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