This Triangle Proportionality: Lesson video also includes:
Look at proportionality from a parallel perspective. A section of an expansive geometry playlist introduces the Triangle Proportionality Theorem. Using the theorem, the video shows how to determine missing measurements in triangles.
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- Prove the Triangle Proportionality Theorem
- Individuals should know properties of parallel lines
- Pupils need to be comfortable with solving proportions
- Shows the algebra required to solve the proportions in the examples
- Links to other CK-12 resources on triangle proportionality