A slicker ray diagram

A better ray diagram

In this diagram there are a number of "hidden" construction lines. The points and lines you can see are constrained to move along these such that the diagram stays "correct" as you move them

New Resources

Rolling an Equilateral Triangle
Parallelogram Anatomy
Building Triangles with Set Areas
Perimeter of Rectangle
bewijs stelling van Pythagoras

Discover Resources

Volume dan Luas permukaan dua bangun
FCHS Quadrilateral Investigation
Trig graphs with reciprocals
Animation 223
OER_6.8.2

Discover Topics

Straight Lines
Cube
General Quadrilateral
Tangent Line or Tangent
Step Functions