These are the most frequently used words in this book.
angles
another
area
axis
base
between
book
called
case
chapter
coloured
colourings
colours
compound
construction
contains
convex
cube
definition
different
dodecahedron
does
edges
elements
equal
euler
even
example
faces
fact
figure
first
five
form
formula
four
geometry
gives
group
however
icosahedron
kepler
kind
lie
line
mathematics
method
model
must
new
now
number
objects
octahedron
part
pattern
plane
platonic
point
polygons
polyhedra
polyhedron
prism
problem
produce
proof
properties
pyramid
regular
result
rotation
rotational
see
set
show
shown
sides
since
solid
space
sphere
square
star
stellation
surface
symmetry
system
theorem
three
time
together
triangles
two
type
used
vertex
vertices
volume
whose
work