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Examples, solutions, videos, worksheets, and activities to help Geometry students learn about the side splitter theorem.
What is the Side Splitter Theorem?
The Side Splitter Theorem states that
If a line is parallel to one side of a triangle and intersects the other two sides, it divides both sides proportionally.
The following diagram shows the side splitter theorem. Scroll down the page for more examples and solutions using the side splitter theorem.

Using the Side Splitter Theorem
This on example on using the Side Splitter Theorem.
Side Splitter Theorem
A brief overview of the side-splitter theorem
How to prove the Side Splitter Theorem?
Side Splitter Theorem Proof
In this video we prove the side splitter theorem
Using the Corollary to the Side Splitter Theorem
How to use the corollary to the side splitter theorem to solve a problem?
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