Counting the Triangles



Home / Puzzle Playground / Puzzles / Visual /

There are seven groups of triangles shown in the diagrams above. Each group consists of exactly five triangles with every triangle rotated 72 degrees around the center of the pentagon; one triangle from every group is highlighted in the respective diagram. So the total number of the triangles in the pentagon is 7x5=35.

Last Updated: January 21, 2008   |   Posted: June 23, 2001
< Home   |   Our Privacy Policy   |   About Puzzles.COM   |   Link to Us   |   Contact Us
Copyright 2001-2008
ThinkFun Inc. All Rights Reserved.
ThinkFun - Everybody plays.