The area of a circle is 38.5 cm². Calculate. (a) the radius​

Question

The area of a circle is 38.5 cm². Calculate.
(a) the radius​

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Tryphena 3 weeks 2021-08-23T23:18:42+00:00 2 Answers 0 views 0

Answers ( )

    0
    2021-08-23T23:20:20+00:00

    The Answer is 3.501591994

    0
    2021-08-23T23:20:28+00:00

    Explanation:

    area of circle = πr^2

    radius=

    39.5 = 22/7*r^2

    r^2 = 7*39.5/22

    = 12.56

    r=3.5

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