Pythagoras Lab
Drag the sliders to reshape the right triangle. A square grows on each side — watch the two small areas always add up to the big one.
The squares tell the story
3² + 4² = 5²
a² (teal)
9
b² (blue)
16
c² (gold)
25
c
5
Controls
The drawing auto-scales so the whole figure always fits.
Challenges
Set the sliders, then press Check.