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24 October, 11:49

A circle has a radius of 3 miles. Use the work shown below to identify the area in terms of pi and the approximate area of the circle. Use 3.14 for π and round the answer to the nearest tenth.

A = πr2

A = π (3 mi) 2

A = 3.14 (9 mi)

The area in terms of pi is___mi2.

The approximated value for the area is___.

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Answers (1)
  1. 24 October, 15:29
    0
    9pi; 28.26

    Step-by-step explanation:

    Area = pi (r^2), but we are using 3.14 instead of pi, so the area = 3.14 (r^2)

    Plug in r:

    Area = 3.14 (9)

    Area (approx) = 28.26

    The actual area is 9pi
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