square

Pythagoras Tree

Put a square on each side of a right triangle, then do it again on every new square. A tree grows.

Levels Roof angle

Grow speed Show

Numbers in the squares are their areas. Drag to look around, pinch or scroll to zoom into a branch, tap the picture to play or pause.

Your turn: Which angle grows the most beautiful tree? Post your angle.

Share or take it home

One HTML file, no install. Space play/pause · R grow again · ← → roof angle

From the videos