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The circumference of a circle is 704 cm,find its area
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The circumference of a circle is 704 cm,find its area
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May 12, 2016
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The circumference of a circle is 704 cm,find its area
Mathematics
high-school
Mirko Brombin
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Mirko Brombin
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If the circumference of a circle is 704 cm, then the area is:
39439.87 cm
.
The formula looks like this:
A
=
π
r 2 and
C
=
2 π
r.
So, C = 704 cm and A = 39439.87 cm.
Hope I helped!
- Amber
Mike Kushner
answered
May 14, 2016
by
Mike Kushner
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The circumferince of the circle is 2πR ;
The area of the circle is π
;
Then, 2πR = 704 ;
R = 352 / π ;
π
= π × ( 352 / π )^2 = ( 352^2) / π = 123904 / π ≈ 39459.87 ≈ 39460 cm^2 ;
Marco Shaw
answered
May 19, 2016
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Marco Shaw
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