Chapter 4: Triangle Congruence Section 2: Classifying Triangles Megan Frantz Okemos High School Math Instructor I Can Classify triangles by their angle measures Classify triangles by their side lengths Use triangle classifications to find angle measures and side lengths Definition of a Triangle Classifying...
Similar Triangles: LetΔABCandΔDEFbe two similar triangles. Then, the ratio of their corresponding sides is equal, i.e., ABDE=DCEF=ACDF Answer and Explanation: By the AA similarity theorem, since the angle∠HVYis equal to∠ABY, and the angle∠YHVis equal to ...
7.4 Similarity in Right Triangles In this lesson we will learn the relationship between different parts of a right triangle that has an altitude drawn. Proportions in Right Triangles Theorem 7.1 The altitude to the hypotenuse of a right triangle forms two triangles similar to it and each other. ...
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Orthocenter Recall Activity 4 Theorem 3.8 The altitudes of a triangle are concurrent Centroid A median : the line segment from the vertex to the midpoint of the opposite side Recall Activites Centroid Theorem 3.9 The three medians of a triangle are concurrent Proof Given ABC, medians AD and ...