alba2 alba2
  • 03-10-2016
  • Mathematics
contestada

What's the area of a circle with a circumference of 10π

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londoninstitute londoninstitute
  • 03-10-2016
C=10pi
C=2(r)pi so r=5
A=pi(r)^2
so A=pi(5)^2

A=25pi
Answer Link
Аноним Аноним
  • 03-10-2016
y=6/5x+5
12x=10y-50

12x      10y-50    
------ = ----------
12           12
Answer Link

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