SOLUTION: An annulus has a 36 cm chord of the outer circle that is also tangent to the inner concentric circle. Find the area of the annulus. I drew the annulus and this is as far as I've

Algebra ->  Pythagorean-theorem -> SOLUTION: An annulus has a 36 cm chord of the outer circle that is also tangent to the inner concentric circle. Find the area of the annulus. I drew the annulus and this is as far as I've      Log On


   

Question 540906: An annulus has a 36 cm chord of the outer circle that is also tangent to the inner concentric circle. Find the area of the annulus.
I drew the annulus and this is as far as I've gotten
http://oi44.tinypic.com/28qmg0.jpg
http://tinypic.com/r/28qmg0/5
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
check this out ___ http://en.wikipedia.org/wiki/Annulus_(mathematics)