yourbestfreind yourbestfreind
  • 09-04-2018
  • Mathematics
contestada

The circumference of a circle is 121 pi cm, what is the area in term of pi?

Respuesta :

calculista
calculista calculista
  • 25-04-2018
we know that
[the circumference of a circle]=2*pi*r---------> r=[the circumference]/(2*pi)
r=121*pi/(2*pi)------> r=60.5 cm

area of the circle=pi*r²------> area=pi*60.5²-----> 3660.25*pi cm²

the answer is
3660.25*pi cm²
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