SolarFlare
SolarFlare SolarFlare
  • 10-12-2016
  • Mathematics
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Find the radius of a circle with an area of 90 cm^2

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sihangu
sihangu sihangu
  • 10-12-2016
area of a circle=pi*r^2
so 90=pi*r^2
r=square root(90/pi)
r=5.35
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