Similar triangles and scale factorsHSG.SRT.B.5Use the scale factor between similar triangles to find a missing side, and the square of the scale factor to compare areas.Triangle proportionality (side splitter)HSG.SRT.B.4A line parallel to one side of a triangle divides the other two sides proportionally; use it to find missing segments and the parallel segment.
Geometry Similarity Worksheets
Scale factors of similar triangles, areas of similar figures and the triangle proportionality theorem. Every sheet comes with a computed answer key.
Make a mixed similarity sheet