what is the area of a circle with a diameter of 4?

Question

what is the area of a circle with a diameter of 4?

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Piper 4 weeks 2021-09-19T04:32:59+00:00 2 Answers 0

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    0
    2021-09-19T04:34:09+00:00

    Answer:

    π2²

    Step-by-step explanation:

    because when d=4 r will be 4/2=2

    0
    2021-09-19T04:34:14+00:00

    Answer:

    Step-by-step explanation:

    A =πr²    r : radius     d : diameter    d = 2r   so : r=d/2 =2

    A =(3.14)2² = 12.56

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45:7+7-4:2-5:5*4+35:2 =? ( )