Triangles Similarity Class 10 Ex 6.2 Question 10, Math Class 10, NCERT Solution

The diagonals of a quadrilateral ABCD intersect each other at the point O such that AO/BO = CO/DO. Show that ABCD is a trapezium. Learn Triangles Similarity and entire NCERT Math from class 9th, 10th, 11th and 12th on our website https://www.mathsphy.com In all these videos on Similarity of Triangles class 10th have always focused on explaining the basics and the solving the questions. My way of solving question will always refer back to the basics explained previously so that students can make the connect between basics and application of them. Let’s now start about the Triangles Similarity: In the previous standard (class 9th) we have learned about the Triangle Congruency in detail where two triangles of same shape and size are called congruent triangles. In this chapter of similar triangles we will study about the triangles which are of same shape but not necessarily same size. Two figures having the same shape (not necessarily the same size) are called similar figures. We will use this idea to proove many theorems based on triangles similarity and also give a proof of Pythagoras theorem. In this Similarity of Triangles chapter from class 10th you will learn about Similar Figures (Basic) Similarity of Triangles and theorems (Theorem 6.1) Criteria of similarity of triangles SSS Theorem AAA Theorem SAS Theorem We will learn about Area of Similar Triangles Pythagoras Theorem Solves Questions (All the exercises) Triangles Similarity Theorem 1 If a line is drawn parallel to one side of a triangle to intersect the other two sides at two distinct points, the other two sides are divided in the same ratio. Triangles Similarity Theorem AAA If in two triangles, corresponding angles are equal, then their corresponding sides are in the same ratio and hence the two triangles are similar Triangles Similarity Theorem (SSS) If in two triangles, corresponding sides are proportional, then their corresponding angles are equal and hence the two triangles are similar Triangles Similarity Theorem 4 If one angle of a triangle is equal to the one angle of other triangle and the sides including these angles are proportional then the two triangles are similar Triangles Similarity Theorem 5 (Area) The ratio of the areas of two similar triangles is equal to the square of the ratio of their corresponding sides. Triangles Similarity Theorem 6 (Area) If a perpendicular is drawn from the vertex of the right angle of a right triangle to the hypotenuse then triangles on both sides of the perpendicular are similar to the whole triangle and each other. Pythagoras Theorem In a right triangle, the square of the hypotenuse is equal to the sum of the squares of the other two sides. Pythagoras Theorem In a triangle, if square of one side is equal to the sum of other two sides, then angle opposite the first side is right angle As per the syllabus, you will learn all the topics in my Triangles Similarity Chapter Videos: Please use this link for the YouTube playlist of Triangles Similarity Class 10th: https://www.youtube.com/playlist?list=PLT-GtQewu_CnnG-Rmyl1yon-030QJt0zq This link will get you 67 videos I have done ex Entire Theorems Proof Ex 6.1, 6.2, 6.3, 6.4, 6.5, Probability Class 10 NCERT Solutions https://www.youtube.com/playlist?list=PLT-GtQewu_ClrkKFvr6qiXhe5LDTiGVx3 https://www.youtube.com/playlist?list=PLT-GtQewu_Cl0fk19nhq5G4VcthdLWfg2 Arithmetic Progressions Class 10 https://www.youtube.com/playlist?list=PLT-GtQewu_CkMzPUmfW2mMX6KYQ_dUyAS Linear Equations in Two Variables Class 10 https://www.youtube.com/playlist?list=PLT-GtQewu_CnwZ8Aa9-irAK0KLf5E8VEb Statistics Class 10 https://www.youtube.com/playlist?list=PLT-GtQewu_CnETzagLgaTyMU_vg2SFhZY Area related to Circles Class 10 https://www.youtube.com/playlist?list=PLT-GtQewu_CmD2C4ZuLTVEINjNL7aHkrh Surface Areas and Volumes Class 10 https://www.youtube.com/playlist?list=PLT-GtQewu_Cnt6boXL_BazSdLJ-J_Qg0A Real Numbers Class 10 https://www.youtube.com/playlist?list=PLT-GtQewu_Cmx1BJElQkRL_8L2dH1CtjF Polynomials Class 10 https://www.youtube.com/playlist?list=PLT-GtQewu_CkkJxgQEAFk1ZHkgGgMDGnd Circle Class 10 https://www.youtube.com/playlist?list=PLT-GtQewu_CkA2ITn5aJqgld95-me9usq Applications of Trigonometry Class 10 https://www.youtube.com/playlist?list=PLT-GtQewu_Cl5fO9C_5n3uIjoOzxdwcK2 Trigonometry Class 10 https://www.youtube.com/playlist?list=PLT-GtQewu_CklXdr-8YhTEhNc7Y1NNvPq Coordinate Geometry Class 10 https://www.youtube.com/playlist?list=PLT-GtQewu_ClFPp8lrlKhbXvjjLbKTsAV Triangles Class 10 https://www.youtube.com/playlist?list=PLT-GtQewu_CnnG-Rmyl1yon-030QJt0zq Quadratic Equations Class 10 https://www.youtube.com/playlist?list=PLT-GtQewu_ClnXkjVhtdJJrFXS2Vztj1T Find us on youtube http://www.youtube.com/c/Mathsphy Find us on Facebook: https://www.facebook.com/www.mathsphy/ Contact: Abhishek Agarwaal +9 7317769273 abhishek@mathsphy.com abhishekagrawal776@gmail.com #Mathsphy

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