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

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09-04-2018
Mathematics

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

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calculista calculista · Answer 1 · 2018-04-25T02:28:35+02:00

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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