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16 August, 18:22

A turntable has a diameter of 40 cm. What is the circumference?

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  1. 16 August, 18:56
    0
    40πcm

    Step-by-step explanation:

    circ = 2πr

    if d = 40cm

    r = 20cm

    ∴ c = 2*π*20

    = 40πcm

    = 125.66cm
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