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What is the perimeter of a car tyre with a diameter of 49 cm? (Take \(\pi\) = 22...



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  • Ogunbayo Roqeebat

    Perimeter=2πr
    Diameter= 49cm. But radius= diameter/ 2= 49/2cm
    Perimeter=2πr
    = 2X(22/7)X49/2cm
    Perimeter= 2X11X7cm
    =154cm

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