Online Course Discussion Forum

Math Challenge 1-A Geo #6.26 and 6.29

 
 
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Re: Math Challenge 1-A Geo #6.26 and 6.29
by Michael Zhang - Sunday, October 22, 2017, 9:05 PM
 
So is the ratio of the side lengths 1 : 1/3 : 1/9 or 1 : 1/9 : 1/81?