(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

see attachment

2. Relevant equations

3. The attempt at a solution

No idea how to do this. Tried extending the 10 thus getting a big triangle of (10+x)^2+y^2=400. But then again no idea what x and y is. This is wrong. Any help would be appreciated.

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# Homework Help: Similar triangle

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