greenhalgh6202 greenhalgh6202
  • 06-06-2017
  • Mathematics
contestada

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 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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