Find the approximate radius a circle if its circumference is 37.68 inches. Use (pie symbol)= 3.14.

Question

Find the approximate radius a circle if its circumference is 37.68 inches. Use (pie symbol)= 3.14.

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Thái Dương 4 years 2021-08-17T11:46:46+00:00 2 Answers 38 views 0

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  1. danthu
    0
    2021-08-17T11:48:06+00:00
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    Answer:

    radius = 6 inches

    Step-by-step explanation:

    37.68/3.14 = 12 = diameter

    radius = 12/2 = 6 inches

  2. Adela
    0
    2021-08-17T11:48:28+00:00
    Reply

    Circumference of a circle:
    C = 2 pi r
    r = C / 2 pi
    r = 37.68 / (2 * 314)
    r = 6

    Area of a circle:
    A = pi r^2
    A = 3.14 * 6^2
    A = 113.04

    Answer:
    The area of the circle is 113.04 square units

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