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Published byShona Oliver Modified over 9 years ago
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7-4: Proportions in Triangles Rigor: apply the side-splitter theorem and the triangle-angle-bisector theorem. Relevance: ground planning
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Notes: The Side-Splitter Theorem Highlight this theorem in your core book on page 303. The book calls it the Triangle Proportionality Theorem, but it is better known as the side-splitter theorem. We will solve it on pg 303.
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Example 1: What is KP?
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Corollary to the side-splitter theorem
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Example 2: Campsites What is the length of Site A along the river?
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Triangle-Angle-Bisector Theorem If a ray bisects an angle of a triangle, then it divides the opposite side into 2 segments that are proportional to the other 2 sides.
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Example 3: Solve for y.
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7-4 Classwork Core book pg 305 ALL We will go over these in 15 minutes. 7-4 Homework Core book pg 306 ALL Due WEDNESDAY Chapter 7 Test is Thursday/Friday
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