Posted by **Sergio** on Friday, October 24, 2008 at 12:50pm.

Both circles have the same center and radius of the larger cirlce is R. if the radius of the msaller circle is 3 units less than R, whic of the following represent the area of the shaded region?

- trig -
**Reiny**, Friday, October 24, 2008 at 12:56pm
Since diagrams do not show up, I can only guess that they probably showed the shaded area as a ring or resembling a metal washer.

take area of large circle - area of small circle

= pi(R^2) - pi(R-3)^2

expand the second term, then simplify.

See if it matches one of the answers.

## Answer this Question

## Related Questions

- Math - I have a question my brother asked me but I need a math expert. You have ...
- GEOMETRY CIRCLES PLEASE - 1.An isosceles triangle with each leg measuring 13 cm ...
- math gre question - in an infinite series of circles the radius of the second ...
- GEOMETRY CIRCLES PLEASE - HELP ME PLEASE. 1.An isosceles triangle with each leg...
- GEOMETRY CIRCLE - 1.An isosceles triangle with each leg measuring 13 cm is ...
- geometry - . Which of the following circles would show the locus of points in a ...
- Pre-Calc (Circles). Please help :( - Five concentric circles with radii 1, 2, 3...
- GEOMETRY QUESTION - Four circles of unit radius are drawn with centers (0,1), (-...
- College Geometry - In this assignment, you examine a process that links polygons...
- algebra 1 - a high school wrestling mat must be square with 38-foot sides and ...

More Related Questions