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26 November, 15:40

The circumference of a circle is 25.12 feet. What is the circle's area?

Use 3.14 for .

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Answers (1)
  1. 26 November, 17:05
    0
    Answer: 50.24

    Step-by-step explanation:

    To find the circle's area, you need to first identify what the radius is by using the circumference formula (C = 2πr). Remember that the circumference is π times the diameter of the circle or 2 times the radius.

    25.12 = 2 (3.14) (r).

    25.12 = 6.28r Multiply 2 and 3.14 together

    4 = r Divide both sides by 6.28

    Now that you know the radius, you can now determine the circle's area. This can be found by using the area formula which is A = πr². You would need to change π to 3.14, so the formula you need to use for this specific problem is A = 3.14 · r².

    A = (3.14) r²

    A = (3.14) (4) ²

    A = (3.14) (16)

    A = 50.24
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