Re: math league problem
Paul Burchard (burchard@CS.Princeton.EDU)
Wed, 11 Dec 1996 15:16:13 -0500
Chuck Biehl wrote:
> [...] making the triangle divided into 5 "strips" of
> equal width. The second strip from the bottom is shaded.
> The question: "What is the ratio of the shaded area to
> the unshaded area?" The answer is given as 7/18
If I understand your description, this answer seems wrong. Shouldn't it
be 7/25? (since 1+3+5+7+9 = 5*5 = 25)
PB