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CBSE Class 10 Deleted Portion of Maths Syllabus
Coordinate Geometry - Area of Triangle (Triangles - Proof of the following two theorems are deleted -- The ratio of the areas of two similar triangles is equal to the ratio of the squares of their corresponding sides, and in a triangle, if the square on one side is equal to sum of the squares on the other two sides, the angle opposite to the first side is a right angle, Constructions - Construction of a triangle similar to a given triangle)