Notes and Instructions for Investigations

Class 2

• About axioms
• BB axioms
• Isosceles Triangle Properties
• Kites

Class 3

• Kite Properties
• SSS

Class 6

• Similarity Group Problems

Class 8

• Parallelograms

Class 10

• Special (golden) isosceles triangle
• Pentagons (also gsp file)

Class 11

• Proof tactics (slide show sort-of)

Class 12

• Trapezoids

Symmetry and Transformations

• Transformation Problems and Explanations (this is a MAJOR page of info)
• Escher Links
• Fermat Point and Orthic Triangle (unsorted)

Altitudes and Orthic Triangle

• Fermat Point and Orthic Triangle (unsorted)
• Outline of Properties: Altitudes and Orthic Triangle
• Explanation and Proofs: Altitudes and Orthic triangle (html) (pdf)