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Contents<br />
Letter to the Student<br />
vi<br />
Section A<br />
Section B<br />
Section C<br />
Section D<br />
Section E<br />
<strong>Packages</strong><br />
Sorting <strong>Packages</strong> 1<br />
Making Nets 3<br />
Faces 8<br />
Ne(a)t Problems 9<br />
Summary 10<br />
Check Your Work 12<br />
Bar Models<br />
Making Bar Models 14<br />
Stable Structures 16<br />
Summary 20<br />
Check Your Work 21<br />
<strong>Polygons</strong><br />
Put a Lid on It 23<br />
Pentagon 26<br />
Angles 27<br />
Summary 28<br />
Check Your Work 29<br />
Polyhedra<br />
Special Polyhedra 31<br />
Faces, Vertices, <strong>and</strong> Edges 34<br />
Euler’s Formula 36<br />
Semi-regular Polyhedra 37<br />
Summary 40<br />
Check Your Work 41<br />
Volume<br />
C<strong>and</strong>les 43<br />
Finding Volume 45<br />
The Height 48<br />
Formulas for Volume 49<br />
Summary 50<br />
Check Your Work 51<br />
Additional Practice 53<br />
Answers to Check Your Work 59<br />
Contents v