How to determine if two triangles are similar using a shortcut.
How to convert between length and area ratios of similar polygons
How to identify if two figures are similar.
How to relate corresponding altitudes, medians and angle bisectors in similar triangles.
How to identify if two solids are similar and how to convert 1D ratios to surface area and volume ratios.
How to determine if two triangles in a circle are similar and how to prove that three similar triangles exist in a right triangle with an altitude.
Overview of similarity: congruent angles, proportional corresponding sides
How to use similar triangles to measure the height of objects.
How to prove two triangles are similar using a line parallel to a base.
How unrelated species acquire similar traits.
How to perform and describe a dilation.