Behold! Pythagoras Proven
This quilt is a diagram of a proof for Pythagoras' Theorem in Geometry. The center square is 1 inch; the triangles have sides of 3 in., 4 in., and 5 in.
The strip size in this quilt was determined by using the Fibonacci Series (1,1,2,3,5,8,13...) and dividing each term by 4.
Snail's Trail--a logarithmic spiral
A traditional quilt block which has definite mathematical interpretation.