Free Professional Development

Or

Author:
Jonathan Heeren

9.3.3.6 Know and apply properties of congruent and similar figures to solve problems and logically justify results

a) I can recognize congruent figures and justify

congruency of two triangles.

b) I can recognize similar figures.

c) I can calculate lengths in similar figures using

proportional reasoning including real-world

applications.

d) I can logically justify the similarity of two triangles.

Tutorial

This a short video explaining the ways to prove triangles similar.

This is the key for the triangle similarity proof.