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4 July, 22:48

To play a game, all the children in class stand in a circle, The diameter of the circle is 15 feet. what is the circumference of the circle to the nearest tenth of a foot? use 3.14 for the value of PI

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  1. 4 July, 22:50
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    To find the circumference you must multiply the diameter by pi. In this case, multiply 15 by 3.14 and you get 47.1 feet. There you go!
  2. 4 July, 23:06
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    The formula for circumference of a circle is: C=2PIr so the steps to solve are as follows:

    1. Find the radius

    a. The radius is 1/2 the diameter so you would divide 15 by 2 which equals 7.5

    2. Plug in the information you already know

    a. C=2 (3.14) (7.5)

    3. Solve for C (I used a calculator here for accuracy)

    a. C = 47.1
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