Seudónimo Seudónimo
  • 11-11-2016
  • Mathematics
contestada

If the radius of a circle is 11 cm, what is the area of the circle?

a)484 π
b)121 π
c)22 π
b)44 π

Respuesta :

jarens
jarens jarens
  • 11-11-2016
Area of a circle equals πr^2, so
A = 3.14(11^2)
3.14(121) = 379.94, rounded to 380.
Divide 379.94/π equals 121.

Your answer is B.
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