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6 June, 12:30

The circumference of circle A is three times the circumference of circle B. Which statement about the areas of the circles is true?

The area of circle A is three times the area of circle B.

It depends on the value of π.

It depends on the actual diameters of the circles.

The area of circle A is nine times the area of circle B.

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Answers (1)
  1. 6 June, 12:36
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    The area of circle A is nine times the area of circle B.

    c1:

    c=2*pi*r

    so imagining r = 3 then, c=6pi

    area=pi*r^2 = > 9pi

    c2:

    so imagining r = 9 then, c=18pi

    area=pi*r^2 = > 81pi

    81/9 = 9 so the answer is:

    The area of circle A is nine times the area of circle B.
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Home » Mathematics » The circumference of circle A is three times the circumference of circle B. Which statement about the areas of the circles is true? The area of circle A is three times the area of circle B. It depends on the value of π.
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