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14 December, 18:30

Find the perimeter of a semi circle with a radius of 47cm

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  1. 14 December, 18:38
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    To find the circumference of a circle the equation is 2*pi*r

    pi=3.14

    and the radius which is given is 47

    So 3.14*2=6.28

    6.28*47 = 295.16 then divide that bu two because it's a semi circle is 147.58 cm.

    Therefore the perimeter of a semicircle is 147.58 cm
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