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Remote interior angles & Exterior angle of triangle theorems
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Pythagorean triplets, properties of similar triangles
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Factors of a³ – b³, Rational algebraic expressions
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Formula method and nature of roots of quadratic equations.
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Expansion of cube of (a - b ) and square of ( a + b + c )
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Introduction and properties of rational numbers
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Introduction, standard form and factorisation method
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Corresponding angle test & alternate angle test
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Property of sum of angles of a triangle, interior angle test
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Corresponding angle theorem, alternate angle theorem
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Basic proportionality theorem and angle bisector theorem
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Introduction and ratio of areas of two triangles
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Laws of indices and meaning of numbers with rational index
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Application of simultaneous equations in two variables
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Equations reducible to a pair of linear equation in two variables
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Properties of angles formed by Transversal and Parallel Lines
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Introduction to sets, methods of writing sets , types of sets
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Comparison and decimal form of Rational numbers.