Chapters covered in Selina Solutions for Concise Mathematics Class 9 ICSE
Selina Solutions for Class 9 Mathematics (9th) Chapter 1: Rational and Irrational Numbers
Concepts covered in Rational and Irrational Numbers are Concept of Irrational Numbers, Concept of Real Numbers, Decimal Representation of Rational Numbers, Properties of Rational Numbers, Rationalisation of Surds, Rational Numbers, Simplifying an Expression by Rationalization of the Denominator, Surds
Selina Class 9 Mathematics (9th) Chapter 1: Rational and Irrational Numbers exercises
Selina Solutions for Class 9 Mathematics (9th) Chapter 2: Compound Interest (Without using formula)
Concepts covered in Compound Interest (Without using formula) are Compound Interest as a Repeated Simple Interest Computation with a Growing Principal, Concept of Compound Interest, Concept of Principal, Interest, Amount, and Simple Interest
Selina Class 9 Mathematics (9th) Chapter 2: Compound Interest (Without using formula) exercises
Selina Solutions for Class 9 Mathematics (9th) Chapter 3: Compound Interest (Using Formula)
Concepts covered in Compound Interest (Using Formula) are Concept of Compound Interest, Inverse Formula, Miscellaneous Problem, Use of Compound Interest in Computing Amount Over a Period of 2 Or 3-years, When the Interest is Compounded Half Yearly, When the Time is Not an Exact Number of Years and the Interest is Compounded Yearly
Selina Class 9 Mathematics (9th) Chapter 3: Compound Interest (Using Formula) exercises
Selina Solutions for Class 9 Mathematics (9th) Chapter 4: Expansions (Including Substitution)
Concepts covered in Expansions (Including Substitution) are Algebraic Identities, Expansion of (a + b)3, Expansion of Formula, Methods of Solving Simultaneous Linear Equations by Cross Multiplication Method, Special Product
Selina Class 9 Mathematics (9th) Chapter 4: Expansions (Including Substitution) exercises
Selina Solutions for Class 9 Mathematics (9th) Chapter 5: Factorisation
Concepts covered in Factorisation are Factorisation by Grouping, Factorisation by Taking Out Common Factors, Factorisation of a Quadratic Trinomial by Splitting the Middle Term, Method of Factorisation : Difference of Two Squares, Method of Factorisation : the Sum Or Difference of Two Cubes
Selina Class 9 Mathematics (9th) Chapter 5: Factorisation exercises
Selina Solutions for Class 9 Mathematics (9th) Chapter 6: Simultaneous (Linear) Equations (Including Problems)
Concepts covered in Simultaneous (Linear) Equations (Including Problems) are Equations Reducible to Linear Equations, Linear Equation in Two Variables, Method of Elimination by Equating Coefficients, Methods of Solving Simultaneous Linear Equations by Cross Multiplication Method, Methods of Solving Simultaneous Linear Equations by Elimination Method, Simple Linear Equations in One Variable, Simultaneous Linear Equations
Selina Class 9 Mathematics (9th) Chapter 6: Simultaneous (Linear) Equations (Including Problems) exercises
Selina Solutions for Class 9 Mathematics (9th) Chapter 7: Indices (Exponents)
Concepts covered in Indices (Exponents) are Handling Positive, Fraction, Negative and Zero Indices, Laws of Exponents, Simplification of Expressions, Solving Exponential Equations
Selina Class 9 Mathematics (9th) Chapter 7: Indices (Exponents) exercises
Selina Solutions for Class 9 Mathematics (9th) Chapter 8: Logarithms
Concepts covered in Logarithms are Expansion of Expressions with the Help of Laws of Logarithm, Exponential to Logarithmic, Interchanging Logarithmic and Exponential Forms, Introduction of Logarithms, Laws of Logarithm, Logarithmic to Exponential, More About Logarithm, Power Law, Product Law, Quotient Law
Selina Class 9 Mathematics (9th) Chapter 8: Logarithms exercises
Selina Solutions for Class 9 Mathematics (9th) Chapter 9: Triangles [Congruency in Triangles]
Concepts covered in Triangles [Congruency in Triangles] are Concept of Triangles - Sides, Angles, Vertices, Interior and Exterior of Triangle, Congruence of Triangles, Criteria for Congruence of Triangles, Important Terms of Triangle, Relation Between Sides and Angles of Triangle
Selina Class 9 Mathematics (9th) Chapter 9: Triangles [Congruency in Triangles] exercises
Selina Solutions for Class 9 Mathematics (9th) Chapter 10: Isosceles Triangles
Concepts covered in Isosceles Triangles are Converse of Isosceles Triangle Theorem, Isosceles Triangles, Isosceles Triangles Theorem
Selina Class 9 Mathematics (9th) Chapter 10: Isosceles Triangles exercises
Selina Solutions for Class 9 Mathematics (9th) Chapter 11: Inequalities
Concepts covered in Inequalities are If Two Angles of a Triangle Are Unequal, the Greater Angle Has the Greater Side Opposite to It., If two sides of a triangle are unequal, the greater side has the greater angle opposite to it., Inequalities in a Triangle, Of All the Lines, that Can Be Drawn to a Given Straight Line from a Given Point Outside It, the Perpendicular is the Shortest.
Selina Class 9 Mathematics (9th) Chapter 11: Inequalities exercises
Selina Solutions for Class 9 Mathematics (9th) Chapter 12: Mid-point and Its Converse [ Including Intercept Theorem]
Concepts covered in Mid-point and Its Converse [ Including Intercept Theorem] are Equal Intercept Theorem, Theorem of Midpoints of Two Sides of a Triangle
Selina Class 9 Mathematics (9th) Chapter 12: Mid-point and Its Converse [ Including Intercept Theorem] exercises
Selina Solutions for Class 9 Mathematics (9th) Chapter 13: Pythagoras Theorem [Proof and Simple Applications with Converse]
Concepts covered in Pythagoras Theorem [Proof and Simple Applications with Converse] are Regular Polygon, Right-angled Triangles and Pythagoras Property
Selina Class 9 Mathematics (9th) Chapter 13: Pythagoras Theorem [Proof and Simple Applications with Converse] exercises
Selina Solutions for Class 9 Mathematics (9th) Chapter 14: Rectilinear Figures [Quadrilaterals: Parallelogram, Rectangle, Rhombus, Square and Trapezium]
Concepts covered in Rectilinear Figures [Quadrilaterals: Parallelogram, Rectangle, Rhombus, Square and Trapezium] are Concept of Quadrilaterals - Sides, Adjacent Sides, Opposite Sides, Angle, Adjacent Angles and Opposite Angles, Diagonal Properties of Different Kinds of Parallelograms, Introduction of Rectilinear Figures, Names of Polygons, Property: The Diagonals of a Rectangle Are of Equal Length., Property: The diagonals of a rhombus are perpendicular bisectors of one another., Property: The diagonals of a square are perpendicular bisectors of each other., Property: The Opposite Angles of a Parallelogram Are of Equal Measure., Property: The Opposite Sides of a Parallelogram Are of Equal Length., Types of Quadrilaterals
Selina Class 9 Mathematics (9th) Chapter 14: Rectilinear Figures [Quadrilaterals: Parallelogram, Rectangle, Rhombus, Square and Trapezium] exercises
Selina Solutions for Class 9 Mathematics (9th) Chapter 15: Construction of Polygons (Using ruler and compass only)
Concepts covered in Construction of Polygons (Using ruler and compass only) are Constructing a Quadrilateral, Construction of a Rectangle When Its Length and Breadth Are Given., Construction of Parallelograms, Construction of Rhombus, Construction of Square, Construction of Trapezium, To Construct a Regular Hexagon
Selina Class 9 Mathematics (9th) Chapter 15: Construction of Polygons (Using ruler and compass only) exercises
Selina Solutions for Class 9 Mathematics (9th) Chapter 16: Area Theorems [Proof and Use]
Concepts covered in Area Theorems [Proof and Use] are Concept of Area, Figures Between the Same Parallels, Triangles with the Same Vertex and Bases Along the Same Line
Selina Class 9 Mathematics (9th) Chapter 16: Area Theorems [Proof and Use] exercises
Selina Solutions for Class 9 Mathematics (9th) Chapter 17: Circle
Concepts covered in Circle are Arc and Chord Properties - If Two Arcs Subtend Equal Angles at the Center, They Are Equal, and Its Converse, Arc, Segment, Sector, Chord Properties - a Straight Line Drawn from the Center of a Circle to Bisect a Chord Which is Not a Diameter is at Right Angles to the Chord, Chord Properties - the Perpendicular to a Chord from the Center Bisects the Chord (Without Proof), Chord Properties - There is One and Only One Circle that Passes Through Three Given Points Not in a Straight Line, Concept of Circle - Centre, Radius, Diameter, Arc, Sector, Chord, Segment, Semicircle, Circumference, Interior and Exterior, Concentric Circles, Theorem: Equal chords of a circle are equidistant from the centre., Theorem : The Chords of a Circle Which Are Equidistant from the Centre Are Equal.
Selina Class 9 Mathematics (9th) Chapter 17: Circle exercises
Selina Solutions for Class 9 Mathematics (9th) Chapter 18: Statistics
Concepts covered in Statistics are Class Intervals and Class Limits, Concepts of Statistics, Cumulative Frequency Table, Frequency, Frequency Distribution Table, Graphical Representation of Continuous Frequency Distribution, Graphical Representation of Data, Tabulation of Data, Variable
Selina Class 9 Mathematics (9th) Chapter 18: Statistics exercises
Selina Solutions for Class 9 Mathematics (9th) Chapter 19: Mean and Median (For Ungrouped Data Only)
Concepts covered in Mean and Median (For Ungrouped Data Only) are Concept of Median, Mean of Ungrouped Data, Properties of Mean
Selina Class 9 Mathematics (9th) Chapter 19: Mean and Median (For Ungrouped Data Only) exercises
Selina Solutions for Class 9 Mathematics (9th) Chapter 20: Area and Perimeter of Plane Figures
Concepts covered in Area and Perimeter of Plane Figures are Area of a General Quadrilateral, Area of Circle, Circumference of a Circle, Concept of Perimeter, Perimeter of Triangles, Some Special Types of Triangles - Equilateral and Isosceles Triangles, Types of Quadrilaterals
Selina Class 9 Mathematics (9th) Chapter 20: Area and Perimeter of Plane Figures exercises
Selina Solutions for Class 9 Mathematics (9th) Chapter 21: Solids [Surface Area and Volume of 3-D Solids]
Concepts covered in Solids [Surface Area and Volume of 3-D Solids] are Cost of an Article, Cross Section of Solid Shapes, Flow of Water ( or any other liquid ), Introduction of Solids, Surface Area of a Cube, Surface Area of a Cuboid, Surface Area of Cylinder
Selina Class 9 Mathematics (9th) Chapter 21: Solids [Surface Area and Volume of 3-D Solids] exercises
Selina Solutions for Class 9 Mathematics (9th) Chapter 22: Trigonometrical Ratios [Sine, Consine, Tangent of an Angle and their Reciprocals]
Concepts covered in Trigonometrical Ratios [Sine, Consine, Tangent of an Angle and their Reciprocals] are Concept of Perpendicular, Base, and Hypotenuse in a Right Triangle, Notation of Angles, Reciprocal Relations, Trigonometric Ratios and Its Reciprocal
Selina Class 9 Mathematics (9th) Chapter 22: Trigonometrical Ratios [Sine, Consine, Tangent of an Angle and their Reciprocals] exercises
Selina Solutions for Class 9 Mathematics (9th) Chapter 23: Trigonometrical Ratios of Standard Angles [Including Evaluation of an Expression Involving Trigonometric Ratios]
Concepts covered in Trigonometrical Ratios of Standard Angles [Including Evaluation of an Expression Involving Trigonometric Ratios] are Trigonometric Equation Problem and Solution, Trigonometric Ratios of Some Special Angles
Selina Class 9 Mathematics (9th) Chapter 23: Trigonometrical Ratios of Standard Angles [Including Evaluation of an Expression Involving Trigonometric Ratios] exercises
Selina Solutions for Class 9 Mathematics (9th) Chapter 24: Solution of Right Triangles [Simple 2-D Problems Involving One Right-angled Triangle]
Concepts covered in Solution of Right Triangles [Simple 2-D Problems Involving One Right-angled Triangle] are Solution of Right Triangles
Selina Class 9 Mathematics (9th) Chapter 24: Solution of Right Triangles [Simple 2-D Problems Involving One Right-angled Triangle] exercises
Selina Solutions for Class 9 Mathematics (9th) Chapter 25: Complementary Angles
Concepts covered in Complementary Angles are Complementary Angles, Complementary Angles for Sine ( Sin ) and Cosine ( Cos ), Complimentary Angles for Secant ( Sec ) and Cosecant ( Cosec ), Complimentary Angles for Tangent ( Tan ) and Contangency ( Cot ), Trigonometric Ratios of Complementary Angles
Selina Class 9 Mathematics (9th) Chapter 25: Complementary Angles exercises
Selina Solutions for Class 9 Mathematics (9th) Chapter 26: Co-ordinate Geometry
Concepts covered in Co-ordinate Geometry are Cartesian Coordinate System, Coordinate Geometry, Co-ordinates of Points, Dependent and Independent Variables, Finding the Slope and the Y-intercept of a Given Line, Graph, Graphs of Linear Equations, Inclination and Slope, Ordered Pair, Plotting of Points, Quadrants and Sign Convention, Y-intercept
Selina Class 9 Mathematics (9th) Chapter 26: Co-ordinate Geometry exercises
Selina Solutions for Class 9 Mathematics (9th) Chapter 27: Graphical Solution (Solution of Simultaneous Linear Equations, Graphically)
Concepts covered in Graphical Solution (Solution of Simultaneous Linear Equations, Graphically) are Graph of a Linear Equation in Two Variables, Methods of Solving Simultaneous Linear Equations by Graphical Method
Selina Class 9 Mathematics (9th) Chapter 27: Graphical Solution (Solution of Simultaneous Linear Equations, Graphically) exercises
Selina Solutions for Class 9 Mathematics (9th) Chapter 28: Distance Formula
Concepts covered in Distance Formula are Circumcentre of a Triangle, Distance Formula
Selina Class 9 Mathematics (9th) Chapter 28: Distance Formula exercises
Selina Solutions for Concise Mathematics Class 9 ICSE
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