Weegy: a squared + b squared = c squared
where c is the hypotenuse. It's Pythagoras' Theorem.
Read more: What is the formula for the hypotenuse of a right triangle? | Answerbag [ ] (More)

All of the above are true. Elliptical geometry are All great circles intersect, There are no parallel lines, and Two points do not determine a unique line.

Added 3/5/2016 2:28:57 PM

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