This concept teaches students how to determine if lines in triangles are parallel and find missing lengths using the Triangle Proportionality Theorem.
This video gives more detail about the mathematical principles presented in Triangle Proportionality.
This video shows how to work step-by-step through one or more of the examples in Triangle Proportionality.
A list of student-submitted discussion questions for Triangle Proportionality.
How does NASA use proportionality to test space crafts?
This study guide looks at proportionality theorems for triangles and parallel lines intersected by transversals.