Search All of the Math Forum:
Views expressed in these public forums are not endorsed by
Drexel University or The Math Forum.



Re: Geometry Problem  Help Needed!
Posted:
Apr 10, 2006 1:58 PM


In standard notation: a = 4, b = 7.5, c = 8.5. To find R/r First observe that the triangle is right angled at C So R = c/2 and r = s  c Here 2s = a + b + c = 20, s = 10 So R = 4.25 and r = 1.5 Hence R/r = 17/6.



