In every triangle, the sum of the three interior angles is:
Автор: insightful Pakistan
Загружено: 2026-02-12
Просмотров: 112
Описание:
In this video, we explain the complete concept of Angles of Triangles for Class 9th Mathematics in an easy and clear way. You will learn the Angle Sum Property (180° rule), types of triangles based on angles (acute, right, obtuse), and the Exterior Angle Property with solved examples.
This lecture is very important for board exams and helps build strong basics for geometry and further chapters like trigonometry and straight lines.
📌 In this video:
Sum of interior angles of a triangle
Finding the third angle
Exterior angle theorem
Important board-based examples
Short tricks for quick solving
Watch till the end and practice the questions for better understanding.
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