Added: 4 years ago
From: njwildberger
Views: 4,929
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  • That's a lovely orthocenter proof!

  • Nice job! Keep up the good work.

  • That was soo helpful! Thank you for putting these up; I have a very hard time understanding even basic geometry, and our book is no help.

    Thanks again!!

  • Love the way the parallelograms just keep popping up. This series is like an unfolding mystery novel. I can tell that you like your job, it shows!

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