Geometry 9 - Lesson 1: Proportional relations in right triangles (latest 2022)

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Trung Anh Siêu Nhân

Published on Sep 8, 2022
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0:00 Introduction 0:55 Review - opening 5:45 Start - Collecting quantitative formulas 28:14 Exercises 30:26 Example 1 36:01 Example 2 39:47 Example 3 44:13 Example 4 48:16 Slightly advanced example 57:10 Proof example

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