The area of the circle above is 153.86 units2. What is the circumference of the circle?

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asked Dec 23, 2012 in Mathematics by anonymous

1 Answer

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The area of the circle = pi. r^2 = 153.86 unit^2

You can find the value of r from the above equation.

Then, the circumference of a circle = 2.pi.r

So, by putting the value of r obtained from first equation, you can obtain the circumference of the given circle.
answered Nov 15, 2013 by SubjectTeachers1 ~Rookie~ (90 points)