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

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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
User Sameer Nyaupane
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