Sangaku: Square - 2 Triangles - 2 Circles
- Author:
- Bill Lombard
Sangaku: Square - 2 Triangles - 2 Circles
Two equilateral triangles are inscribed into a square.
Their side lines cut the square into a quadrilateral and a few triangles.
Find a relationship between the radii of the two incircles.
(H. Fukagawa, D. Pedoe - Jill Vincent & Claire Vincent)
credit - http://www.hermay.org/jconstant/wasan/sangaku/index.html