Deductive Geometry - 黎sir教室 - 資深中學補習老師, 小班教學, 事半功倍!!!
Deductive Geometry 演繹幾何 www25.brinkster.com/andy325 All Rights Reserved © 黎Sir 教室 Prepared By Andy Lai 5 5. Theorem between the sides and angles in a triangle 三角形角度和邊長的定理 i. AB +BC >AC (Triangle Inequality 三角不等式) ii. AB >BC...