marinette101
marinette101 marinette101
  • 26-02-2018
  • Mathematics
contestada

The circumference of a circle is 10π cm. What is the Radius of the circle? A) 4 cm B) 5 cm C) 10 cm D) 20 cm


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ayunirezende ayunirezende
  • 27-02-2018
The answer is B 
C=2pieR 
if C=10pie 
then you have to devide 10 by 2 
Answer Link
ezysqezy ezysqezy
  • 28-02-2018
Answer is B 5 cm is correct. C=πd; thus, d=C/π. therefore, d=10π π=10; 2r=d; 2r=10; r= 5 cm
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