Curated OER
Angular Size and Similar Triangles
In this angular size and similar triangles activity, students use the properties of similar triangles and the ratios of sides to solve for unknowns in given diagrams.
Curated OER
Tennis Triangle
Students calculate the height of a tree or flagpole. They measure the shadow of the tree or flagpole and the length of a shadow of a meterstick. Using similar triangles, calculate the heigh. Devise two additional ways in which to measure...