6.1 · Pythagoras' theoremLesson 2 of 11Free preview
Pythagoras' theorem
Move four copies of one triangle inside a big square and the empty space shows a² + b² = c².
6.1 · Pythagoras' theoremLesson 2 of 11Free preview
Move four copies of one triangle inside a big square and the empty space shows a² + b² = c².