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

Tube moving at distance of a curve.
Constructing an Inscribed Equilateral Triangle + Activities
Monge's Theorem
Untitled
Trophy (version 2)

Discover Resources

Measuring Angles in GeoGebra
All Points of Concurrency
maths investigation
Pg 49-50 #11-20
รูปที่ 26 (เวกเตอร์)

Discover Topics

Similarity Transformation or Similarity
Numbers
Hypothesis Testing
Logarithmic Functions
Right Triangles