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Published byAmie Simpson Modified over 9 years ago

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Over Lesson 7–3 Determine whether the triangles are similar. Justify your answer. Determine whether the triangles are similar. Justify your answer. Determine whether the triangles are similar. Justify your answer. Find the width of the river in the diagram. yes, AA Similarity No, sides are not proportional yes, SSS Similarity 22.4 Ch 9.4

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Ch 9.4 Proportional Parts Standard 12.0 Students find and use measures of sides of triangles to solve problems. Learning Target: I will be able to identify and use the relationships between proportional parts of triangles. Ch 9.4

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Concept Ch 9.4 Theorem 9-5

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Example 1 Find the Length of a Side Ch 9.4

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Example 1 Find the Length of a Side Substitute the known measures. Cross Products Property Multiply. Divide each side by 8. Simplify. Ch 9.4

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Example 1 A.2.29 B.4.125 C.12 D.15.75 Ch 9.4

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Find the Length of a Side Example 2

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Ch 9.4 A.3.5 B.4 C.6 D.7.25 Example 2

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