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The diameter of the wheel of …

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The diameter of the wheel of a cycle is 70cm. How many revolutions will it take to travel 121cm

    • Posted by Arusha Bhutto 6 years, 1 month ago

    CBSE > Class 07 > Mathematics
    • 1 answers

    Yogita Ingle 6 years, 1 month ago

    Diameter of the wheel =70 cm
    Radius = d/2=70/2=35 cm
    For 1 revolution the wheel moves = circumference of the wheel
    = 2*pi*r
    =2*22/7*35

    =2*22*5
    =220cm
    For 121 revolutions it moves = 121 ×220
    =  26620cm

     

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