Handout
Quia

Ixl Learning: Similar Triangles

For Students 7th - 9th Standards
Brush up on your math skills relating to similar triangles then try some practice problems to test your understanding.
PPT
Sophia Learning

Sophia: Using Similar Triangles to Make Indirect Measurements

For Students 9th - 10th Standards
This lesson explains why similar triangles can be used to make indirect measurements, and provides an example.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Sss Similarity

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] This concept teaches students to decide whether or not two triangles are similar using SSS Similarity.