# Dissection of Two Squares into Three Squares

Dissection of Two Squares into Three Squares

This Demonstration dissects two squares into three squares, two of which are congruent. This dissection is based on the formula +4=1+2, where is the golden ratio.

2

(1+2ϕ)

2

(2ϕ)

ϕ=

1+

5

2