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what are deleted portions

Answer» CBSE Class 10 Mathematics (041) - Deleted portion:\tUNIT I-NUMBER SYSTEMS ChapterTopicsREAL NUMBERSEuclid’s division lemmaUNIT II-ALGEBRA ChapterTopicsPOLYNOMIALSStatement and simple problems on division algorithm for polynomials with real coefficients.PAIR OF LINEAR EQUATIONS IN TWO VARIABLEScross multiplication methodQUADRATIC EQUATIONSSituational problems based on equations reducible to quadratic equationsARITHMETIC PROGRESSIONSApplication in solving daily life problems based on sum to n termsUNIT III-COORDINATE GEOMETRY ChapterTopicsCOORDINATE GEOMETRYArea of a triangleUNIT IV-GEOMETRY ChapterTopicsTRIANGLESProof of the following theorems are deleted · The ratio of the areas of two similar triangles is equal to the ratio of the squares of their corresponding sides. · In a triangle, if the square on one side is equal to sumof the squares on the other two sides, the angle opposite to the first side is a right angle.CIRCLESNo DeletionCONSTRUCTIONSConstruction of a triangle similar to a given triangle.UNIT V- TRIGONOMETRY\xa0 ChapterTopicsINTRODUCTION TO TRIGONOMETRYMotivate the ratios whichever are defined at 0o\xa0and 90oTRIGONOMETRIC IDENTITIESTrigonometric ratios of complementary anglesHEIGHTS AND DISTANCESNo deletionUNIT VI-MENSURATION\xa0AREAS RELATED TO CIRCLESProblems on central angle of 120°SURFACE AREAS AND VOLUMESFrustum of a coneUNIT VI-STATISTICS & PROBABILITY ChapterTopicsSTATISTICS· Step deviation Method for finding the mean · Cumulative Frequency graphPROBABILITYNo deletion\t


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