The circumference of a circle is 21πcm. What is the area, in square centimeters Express your answer in terms of π

Question

The circumference of a circle is 21πcm. What is the area, in square centimeters
Express your answer in terms of π

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Hồng Cúc 2 weeks 2021-08-31T14:02:10+00:00 1 Answers 0 views 0

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    2021-08-31T14:03:41+00:00

    Answer:

    Circumference of circle =2πr

    21π=2πr

    r=21/2cm

    Area of circle =πr²=π(21/2)²=110.25πcm²

    Step-by-step explanation:

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