Скачать с ютуб In an equilateral triangle ABC, D is a point on side BC such that BD = 1/3 BC. Prove that 9 AD2 = 7 в хорошем качестве

In an equilateral triangle ABC, D is a point on side BC such that BD = 1/3 BC. Prove that 9 AD2 = 7

Class-10, Maths Triangles Exercise 6.5, Question No. 15 In an equilateral triangle ABC, D is a point on side BC such that BD = 1/3 BC. Prove that 9 AD2 = 7 AB2 . Most Important Question from Triangles for Board Exam 👉👉If you want, You can consider donation through PhonePe No.- 8273007746 to bring even better videos for you people. 🔶We have covered all the questions from NCERT Book, RD Sharma, RS Agarwal, Previous Year's Papers, Most Repeated Questions in Board Exam, Questios from various Sample Papers, Important Questions from different Board Exams also from AMU - Entrance Papers. 🔶Visit our Playlists- ◼️◾Extra Questions (Most Important Questions for Board Exam)◾◼️ 👉https://bit.ly/2JtCBnL Chapter 1: Real Numbers 👉https://bit.ly/3dIG9k2 Chapter 2: Polynomials 👉https://bit.ly/33ZTM9X Chapter 3: Pair of linear Equations in Two Variables 👉https://bit.ly/2UxsZ1R Chapter 4: Quadratic Equations 👉https://bit.ly/3bxIgoW Chapter 5: Arithmetic Progression 👉https://bit.ly/2wR6oEi Chapter 6: Triangles 👉https://bit.ly/2QXb828 Chapter 7: Coordinate Geometry 👉https://bit.ly/2UTybfl Chapter 8: Introduction to Trigonometry 👉https://bit.ly/3ayeZKz Chapter 9: Some Applications of Trigonometry 👉https://bit.ly/2V3RrXJ Chapter 10: Circles 👉https://bit.ly/2xyBLn3 Chapter 11: Constructions 👉https://bit.ly/39wPDLV Chapter 12: Area Related to Circles 👉https://bit.ly/3aywDOs Chapter 13: Surface Areas and Volumes 👉https://bit.ly/3dLOtiK Chapter 14: Statistics 👉https://bit.ly/2w2OZrT Chapter-15: Probability 👉https://rb.gy/9q9dhy ◾Deepak Rajoria (Maths Teacher) ◾Focus Classes #FocusClasses, #DeepakRajoria, #MathsWithDeepakRajoria #TrianglesClass10 YOUR QUERIES : Introduction to Triangles Important Question from Triangles List of Important Questions from Chapter 6 Triangles Triagles Class in Hindi Ncert book chapter 6 Maths Ncert book Questions from Chapter-6 Maths NCERT Book Important Questions for board exam RD Sharma Question from Triangles Class 10 Ncert Exemplar Questions Class 10 from Triangles Basic Proportionality Theorem (BPT) thales's theorem corollary of BPT converse of BPT Criterion for similarity of two triangles Area theorem for class 10 Proof of Pythagoras theorem converse of Pythagoras theorem Extention of Pythagoras theorem for obtuse Angle extention of Pythagoras theorem for Acute angle interior Angle Bisector Theorem exterior Angle Bisector Theorem Apollonius theorem for a triangle