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Find the ratio of the circumference …

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Find the ratio of the circumference of two circle whose radii are in the ratio 4 : 5

    • Posted by Game Changer 6 years, 11 months ago

    CBSE > Class 07 > Mathematics
    • 1 answers

    Yogita Ingle 6 years, 11 months ago

    Ration of radii is 4:5
    So R1 = 4x and R2 = 5x
    Ratio of circumference = 2 πR1/ 2πR2 = R1/R2 = 4x/5x = 4/5

     

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