Circle Geometry Proof (Touching circles with a second common tangent)

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I'm looking for something completely different, not even necessarily math related but I stumbled upon this accidentally and had to stick around to watch for a bit because I absolutely loved your energy and the way you carry yourself, such reinforcing positivity towards student engagement. I'm certain I would've absolutely loved to have you as a professor.

TheBlazFilip
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Once you said "radii" I knew exactly how to solve it
90 degrees

yoavshati