
Octagons, Theorems and
Problems 
Index




Geometric Art: Isolines, Regular Polygons, Square, Octagon, Hexadecagon, Parallel Lines, Symmetry, Software 

Problem
583.
Quadrilateral, Diagonals, Circumcenters, Parallelogram, Octagon, Areas. 

Geometric Art: Isolines, Polygons, Rhombus, Triangle, Octagon, Parallel Lines, Symmetry, Geometry for Kids,
Sacred Geometry, Software 

Octagon Word Cloud.
Geometry for Kids. 

Proposed Problem 287: Regular Octagon. 

Proposed Problem 286: Square, Midpoints, Octagon. 

Octagon for Children. Video.


Proposed Problem 161.
Parallelogram, Midpoints, Octagon, Areas.


Proposed Problem 225. Viviani's Theorem Extension, Regular Polygon,
Apothem, Distance. 

Video: Tessellations by Square One TV.
"Come on and put a square here
And put an octagon there
And when they fit real tight
We'll know we're doing it right" 

Stonehenge builders had geometry skills to rival Pythagoras.
Five years of detailed research, carried out by the Oxford University
landscape archaeologist Anthony Johnson, claims that Stonehenge was
designed and built using advanced geometry. "The surveyors started by
using a rope to create a circle, then laid out the four corners of a
square on its circumference, before laying out a second similar square,
thus creating an inner octagon..."


Nazca Lines and Crop Circles


Looted Peru Moche
Headdress Recovered in London
Octagon: Feline sea god with
octopuslike tentacles 

Euclid's Elements
Book I, 23 Definitions. Onepage visual illustration.
Euclid's Elements Book.
Index 
Home 
Search  Geometry
 Polygon

Post a comment  Email 
by Antonio Gutierrez
Last updated: Aug 25, 2016
