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16 June, 01:31

1. Find the circumference of a circle with a radius of 12 cm. Round decimal answer to the

hundredths place value.

a. 37.70

b. 75.40

C. 18.85

d. 56.55

+1
Answers (2)
  1. 16 June, 02:11
    0
    b. 75.40

    Step-by-step explanation:

    Circumference = 2pi * r

    = 2pi * 12

    = 24pi

    = 75.39822369

    Nearest hundredth: 75.40 cm
  2. 16 June, 03:06
    0
    b. 75.40

    Step-by-step explanation:

    The circumference of a circle is the perimeter of the circle. To find the perimeter we would use the formula ⇒ 2 * π * r ⇔ or π * d ← where r is the radius and d is the diameter.

    So lets substitute in the values

    2 * π * r

    Radius = 12

    2 * π * 12 = 24 π = 75.3982236862

    So the answer is b. 75.40
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