Think!
Squares are drawn on the three sides of a triangle and three triangles constructed in the spaces between them. All four triangles have the same area. Can you prove it?
This diagram illustrates the proof. Can you see it?
Please enable Java for an interactive construction (with Cinderella).
Squares are drawn on the three
sides of a triangle and three triangles constructed in the spaces between them.
All four triangles have the same area. Can you prove it?