Trivia

Subject:
Correct!

Alex Y
Minor restatement:The hypotenuse is 15*sqrt(2), so the side is 15.

Constructing the right triangle with legs of 21 and 3 as you did was the key. I tried working with the 12 by 12/7 and 9 by 9/7 triangles, which was MUCH more tedious.

Nice job

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