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06-06-2017
Mathematics

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What is the approximate circumference of a semicircle with a radius of 6 centimeters?18.8 centimeters37.7 centimeters75.4 centimeters150.7 centimeters

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ghanami ghanami

06-06-2017

hello :
the circumference of a semicircle : 2πr/2 =πr
p/2 = πr =3.14(6) =18.8 cm

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