These are the most frequently used words in this book.
1964b
another
appears
approach
area
block
book
case
chapter
class
corner
cross
cube
cut
different
dimensions
dissection
dodecagon
dotted
dudeney
edges
element
equal
example
figure
find
first
five
form
found
four
gave
give
given
greek
hanegraaf
heptagon
hexagons
hinged
large
left
length
level
lindgren
lines
loyd
mathematics
method
new
number
octagon
pair
pentagons
pentagram
pieces
points
polygons
problem
puzzle
rectangle
reid
relationship
resulting
right
second
see
segments
shown
side
since
six
small
solution
squares
star
step
strip
structure
symmetry
technique
tessellation
tetrahedron
theobald
third
three
times
top
triangles
two
type
upper
use
used
varsady
vertex
work
x2
y2
years
z2