Curated OER
Angular Size and Similar Triangles
In this angular size and similar triangles worksheet, students use the properties of similar triangles and the ratios of sides to solve for unknowns in given diagrams.
Texas Instruments
Texas Instruments: Similar Figures
In this activity, students investigate the properties of similar triangles.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Similar Triangles
Find a quick, concise explanation of similar triangles. Examples are given and clearly explained.