Terry Tam – Resources – GeoGebra

Obtaining Fractions via Folding Paper
Activity
Terry Tam
Incircle and Excircles
Activity
Terry Tam
Inner/Outer Triangles
Activity
Terry Tam
Terry's Maths Collections
Book
Terry Tam
Viviani's Theorem
Activity
Terry Tam
QM-AM-GM-HM Inequality
Activity
Terry Tam
How to copy a line segment with a collapsing compass?
Activity
Terry Tam
All about Pythagoras theorem...
Activity
Terry Tam
Why always a circle tangent?
Activity
Terry Tam
Why are 6 points concyclic?
Activity
Terry Tam
Why are the areas the same?
Activity
Terry Tam
Where am I?
Activity
Terry Tam
Morley Equilateral Triangles
Activity
Terry Tam
Napoleon Equilateral Triangles
Activity
Terry Tam
Equilateral triangles on a triangle
Activity
Terry Tam
Why is parallelogram always formed?
Activity
Terry Tam
Simson's line
Activity
Terry Tam
Why is the area of rectangles always the same?
Activity
Terry Tam
Right triangle with median as a geometric mean
Activity
Terry Tam
How to construct the smallest inscribing square?
Activity
Terry Tam
Shortest fence dividing a triangular field into halves
Activity
Terry Tam
Envelope and Complete Graph
Activity
Terry Tam
4 Centres in a Triangle
Activity
Terry Tam
How to construct a bicentric quadrilateral with 3 points?
Activity
Terry Tam