משפט העזר בשטחים-חובה להכיר.(כיתה י 5 יחידות)

Link to the question: https://drive.google.com/file/d/1ANFa... Discord group:   / discord   Link to our groups here: https://kibinimatika.org/%d7%94%d7%a7... 00:00 Section A. 03:29 Section B. 04:33 Section C. 06:44 Proof of the theorem. #Mathematics#MatriculationinMathematics The auxiliary theorem in areas states: If a line passes through a vertex of a triangle and divides the triangle into two parts, then the ratio of the areas of the two resulting triangles is equal to the ratio of the lengths of the segments on the side from which the line emerges. This theorem is useful in solving many geometric problems, especially in the context of the ratio of areas and the ratio of lengths in triangles, without resorting to similarity of triangles.