Friday

July 25, 2014

July 25, 2014

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

- trig -
**Reiny**, Friday, October 24, 2008 at 12:56pmSince 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.

**Related Questions**

GEOMETRY CIRCLES PLEASE - 1.An isosceles triangle with each leg measuring 13 cm ...

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 - Write an equation for each circle if the coordiantes of the center ...

Math - I have a question my brother asked me but I need a math expert. You have ...

Please help with circle tangents geometry - Two circles of different sizes are ...

geometry - . Which of the following circles would show the locus of points in a ...

math gre question - in an infinite series of circles the radius of the second ...

Pre-Calc (Circles) - Describe the conditions necessary, where circle A has a ...

Pre-Calc - Describe the conditions necessary for the two circles, where circle a...