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Lesson Plan

Understand that a line parallel to one side of a triangle intersects the other two sides proportionally

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teaches Common Core State Standards CCSS.Math.Content.HSG-SRT.B.4 http://corestandards.org/Math/Content/HSG/SRT/B/4
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In this lesson you will learn that a line constructed parallel to one side of a triangle intersects the other two sides proportionally by drawing a diagram.
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Congruence and similarity

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