Welcome to interactive Puzzles corresponding to Geometry Step by Step from the Land of the Incas. Site created and maintained by Antonio Gutierrez.

Golf and Geometry

Sangaku Problem

Euler's Formula

The Road Not Taken

Euler Line and Nine Point Center

Cuzco City

Inca Music

The Oldest Quipu

Cuzco.The Stone of 12 angles

Machu Picchu

Machu Picchu and Sierpinski Triangle.

Nazca Lines: The Condor bird

Nazca Lines: The Monkey

Nazca Lines: The Spider

The Lord of Sipan

The Lord of Sipan: the Spiderman

Butterfly Theorem

Bevan Point

Ceva's Theorem

The Raft of the Medusa English version

The Raft of the Medusa

Spanish, Chinese

Morley's Theorem

Nagel Point

Newton's Theorem

Pentagons & Pentagrams

Equal Incircles Theorem

Last updated: February 17, 2007