Posted by **Carlee'** on Tuesday, February 21, 2012 at 8:48am.

The area of a circle is 18pi square meters. What is the radius (leaving answer in simplest radical form)

- precalc/trig help please -
**drwls**, Tuesday, February 21, 2012 at 8:55am
pi*R^2 = 18*pi

R^2 = 18

R = 3*sqrt2 m^2 = = 4.24 m^2

- precalc/trig - PS -
**Steve**, Tuesday, February 21, 2012 at 10:45am
That would be in m, not m^2 :-(

- precalc/trig help please -
**drwls**, Tuesday, February 21, 2012 at 10:48am
Duh. you are correct. Thank you

## Answer This Question

## Related Questions

- alg2/trig - 1)3x^2-12x-21 solve by completing the square in simplest radical ...
- Math (Simplest Radical Form) - How do you figure out simplest radical form with ...
- Math (1 question) - estimate the area of a circle with a radius of 27 meters. ...
- Mathematics - (in this question they did not give me any diagrams) use pie 22/7...
- geometry - In the diagram, circle A is tangent to circle C, and segment BE is ...
- Geometery - How do I solve this? On my assignment it says find the area inside ...
- Geometry - Find the perimeter and area of a square with diagonal length of 20cm...
- math - the area of a square is 49 square inches. find the number of inches in ...
- Adv. Math - How do you do these problems??? What is the radius of a circle that ...
- Math radical form - Find the distance of the line segment whose endpoints are (5...

More Related Questions