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10 May, 01:49

To the nearest tenth, what is the area of a circle whose diameter is 21 inches?

Use 3.14 for π.

Enter your answer in the box.

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Answers (1)
  1. 10 May, 03:32
    0
    21/2=

    10.5x10.5=110.25

    110.25*3.14=346.185

    346.185 rounded=346.2 as your answer.
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