if the ratio of two diameter of circles is in the ratio of 5:4find ratio of circum ferenceof the circles​

Question

if the ratio of two diameter of circles is in the ratio of 5:4find ratio of circum ferenceof the circles​

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Sadie 3 weeks 2021-11-07T10:22:47+00:00 1 Answer 0 views 0

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    2021-11-07T10:24:11+00:00

    Answer:

    5/4

    Step-by-step explanation:

    circumference of circle is 2πr

    diameter = 2r

    circumference is πd

    let the diameter of 1st circle be 5x

    let the diameter of 2nd circle be 4x

    then circumference of 1st circle be 5πd

    and circumference of 2nd circle be 4πd

    Then ratio of circumference of circle 1 by 2 be

    5πd/4πd=5/4

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