Draft:Bpow1997-9: Revision history

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1 September 2013

  • curprev 09:2109:21, 1 September 2013Oscarlevin talk contribs 248 bytes +248 Created page with "Consider the arrangement of four circles shown below. If the radius of the smaller blue circle is r, what is the radius of the larger red circles? Note: The larger red circles..."