AA Similarity

Author:Patricia Arnold

The sketch was made so that angles A and D are always congruent and the vertical angles are always congruent. Move point D, being sure the sketch always has TWO triangles. How do the two triangles appear to be related?

New Resources

Weighing Scales (kg & g): Practice
Measuring Cup
Use a matrix with its elements as functions
Weighing Scales: Lessons and Practices
רישום חופשי

Discover Resources

Exploring Triangle Centers - Introduction
Circles
internal max
Play Y!
Parallelogram(15.5&15.6)

Discover Topics

Cone
Quadrilaterals
Continuity
Angles
Upper and Lower Sum or Riemann Sum