How to solve Nibiru Probe from Innopolis Open?

Revision en1, by mraron, 2017-02-15 18:57:59

Hello,

It's from Innopolis Open, Final Round, 2015-2016, the problem A. I can't approach it, can somebody give me a hint?

Have nice day,

mraron

Tags #geometry, innopolis

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en1 English mraron 2017-02-15 18:57:59 252 Initial revision (published)