"Bride's Chair" Proof of Pythagorean Theorem
Drag "a" and "b" to adjust the right triangle. Drag "t_1" then "t_2" then "t_3" (in that order and only that order) to demonstrate the proof. Dragging the t_i out of order hides the proof elements.
Domain & Range: Illustrated v3
Inverse of Functions
Bisect a Segment