The Pentagon Problem: Geometric Reasoning with Technology
Rose Mary Zbiek
	Area ratios for a pentagon inscribed in a pentagon inscribed in a pentagon.
	(889, 1996)  86 - 90

Perimeters, Patterns, and Pi
Sue Barnes
	Areas and perimeters of inscribed and circumscribed regular polygons.
	(889, 1996)  284 - 288

Morgan's Theorem
Tad Watanabe, Robert Hanson, and Frank D. Nowosielski
	Investigating the area of a hexagon formed in the interior of a triangle by certain n-	sectors of the angle.
	(889, 1996)  420 - 423

Pentagrams and Spirals
Lew Douglas
	Activities eventually leading to the Golden Ratio.
	(889, 1996)  680 - 687

Golden Triangles, Pentagons, and Pentagrams
William A. Miller and Robert G. Clason
	Informal investigations of recursion.  The golden ratio, Fibonnaci sequence, regular 
	polygons, and pentagrams.
	(87, 1994)  338 - 344, 350 - 353

Counting Embedded Figures
Timothy V. Craine
	Activities.  How many triangles, squares, rectangles, etc., are there in a given 
	figure?
	(87, 1994)  524 - 528, 538 - 541

Animating Geometry Discussions with Flexigons
Ruth McClintock
	A flexigon is created by stringing together plastic straws of varying lengths in a 
	closed loop.  These tools are then used to investigate the geometry of polygons.
	(87, 1994)  602 - 606

Folding n-pointed Stars and Snowflakes
Steven I. Dutch
	Methods for accomplishing the task.
	(87, 1994)  630 - 637

Starring in Mathematics
Donald M. Fairbairn
	Activities for studying n-grams.
	(84, 1991)  463 - 470

Octagons at Monticello
Peggy Wielenberg
	Geometry of octagons.  Jefferson's construction of three sides of an
	octagon on a segment of fixed length.
	(83, 1990)  58 - 61

Polygonal Numbers and Recursion
William A. Miller
	Activities for studying recursion utilizing polygonal numbers.
	(83, 1990)  555 - 562

Polygons Made to Order
Joseph A. Troccolo
	Activities for producing accurate regular polygons with specified
	side lengths.
	80, (1987)  44 - 50.

Finding the Area of Regular Polygons
William M. Waters, Jr.
	Finding the ratio of the area of one regular polygon to that of
	another when they are inscribed in the same circle.
	80, (1987)  278 - 280

Revisiting the Interior Angles of Polygons
Herbert Wills III
	Several approaches to calculating the sum of the interior angles
	of a polygon.
	80, (1987)  632 - 634.

Dirichlet Polygons - An Example of Geometry in Geography
Thomas O'Shea
	Applications of Dirichlet polygons, including homestead boundaries
	and rainfall measurement.
	79, (1986)  170 - 173.

The Twelve Days of Christmas and the Number of Diagonals in a Polygon
Adrian McMaster
	Notes a relation between the number of gifts received on a particular
	day and the diagonals in a polygon.
	79, (1986)  700 - 702.

Regular Polygons and Geometric Series 
	Areas and inscribed regular polygons.
	75, (1982)  258 - 261.

Area and Cost Per Unit: An Application
Jan J. Vandever
	Activities for use in practice with area formulas.
	73, (1980)  281 - 284, 287.

Getting The Most Out Of A Circle
Joe Donegan and Jack Pricken
	Polygons determined by six equally spaced points on a circle.
	73, (1980)  355 - 358.

Graphing - Perimeter - Area
Merrill H. Meneley
	Activities concerned with the perimeter and area of polygons.
	Uses a coordinate system.
	73, (1980)  441 - 444.

Some Properties Of Regular Polygons
William Jamski
	Activities involving angle sums of polygons.  Some work with diagonals.
	68, (1975)  213 - 220.

Area Ratios In Convex Polygons
Gerald Kulm
	Area ratios when one regular n-gon is derived from another using
	division points of sides.
	67, (1974)  466 - 467.

Some Whimsical Geometry
Jean Pederson
	Polygon construction by paper folding.
	65, (1972)  513 - 521.

An Intuitive Approach To Pierced Polygons
Donald E. Jennings
	Polygons which have certain sides coincident.
	63, (1970)  311 - 312.

Polygon Sequences
John E. Mann
	Polygons formed from the midpoints of sides of polygons.
	63, (1970)  421 - 428.

Pierced Polygons
Charles E. Moore
	Regions formed when a polygonal region is cut from the interior
	of another polygonal region.  Some angle relations.
	61, (1968)  31 - 35.

Conditions Governing Numerical Equality Of Perimeter, Area and Volume
Leander W. Smith
	Triangles, general polygons, polyhedra.
	58, (1965)  303 - 307.

Concave Polygons
Roslyn M. Berman and Martin Berman
	Finding angle sums.
	56, (1963)  403 - 406.

Regular Polygons
Robert C. Yates
	Complex numbers and regular polygons.
	55, (1962)  112 - 116.

Teaching The Concept Of Perimeter Through The Use Of Manipulative Aids
Jen Jenkins
	Title tells all.
	50, (1957)  309 - 310.

The Pentagon and Betsy Ross
Phillip S. Jones
	Folding a five pointed star.
	46, (1953)  341 - 342.

The Sum Of The Exterior Angles Of Any Polygon Is 360 degrees
George R. Anderson
	A demonstration device.
	45, (1952)  284 - 285.

The Geometry Of The Pentagon and The Golden Section
H. v. Baravalle
	Synthetic and analytic approaches.  Some history.
	41, (1948)  22 - 31.

Ptolemy's Theorem and Regular Polygons
L. S. Shively
	Proof and applications.
39, (1946)  117 - 120.

Linkages As Visual Aids
Bruce E. Meserve
	Polygonal models.
	39, (1946)  372 - 379.

H.J.L.
07/15/97
email:  00hjludwig@bsu.edu
home page: http://www.cs.bsu.edu/~hjludwig/