How to Prove the Pythagorean Theorem1
How to Prove the Pythagorean Theorem
Draw four congruent right triangles.
days
hours
Arrange the triangles so that they form a square with sides a+b.
hours
days
Rearrange the same four triangles such that they form two equal rectangles inside a larger square.
hours
minutes
Recognize that the area not formed by the triangles is equal in both arrangements.
longer
days
Set the areas of each arrangement equal to each other.
hours
days