Definition A chord of the circle is a line joining any two points on the circumference of a circle .For more detailed study watch A Chord Of A Circle Videos. A Chord Of A Circle A chord of the circle is a line joining any two points on the circumference of a circle . A […]

Definition A chord of the circle is a line joining any two points on the circumference of a circle . A chord passing through the centre of the circle is called diameter of the circle. According to the chord theorem , in a circle, a radius perpendicular to a chord bisects the chord. Watch Perpendicular From […]

Definition A chord of the circle is a line joining any two points on the circumference of a circle . The line joining the centre of a circle to the mid-point of a chord is perpendicular to the chord. Watch Line Joining To The Center To The Mid Point Of A Chord Video for more learn. […]

Definition If any three non-collinear points define the circumference of one circle, and one circle only. If the three points are collinear (all lying on a straight line) then the circle passing through all three will have a radius of infinity. So there is no practical circle that can pass through three collinear points. Watch Three Non-Collinear […]

Definition A chord of the circle is a line joining any two points on the circumference of a circle . A diameter is a chord that contains the centre of the circle. In a circle , parallel chords intercept congruent arcs. Parallel chord symbol is represented by | |. Watch Parallel Chords Video to learn more. […]

Definition A chord of the circle is a line joining any two points on the circumference of a circle . Equal chords are equidistant from the centre of the circle. Watch the Equal Chords Video for more learn. Equal Chords A chord of the circle is a line joining any two points on the circumference of […]

Definition A circle is the set of all points in a plane that are at a given distance from a given point, the centre; equivalently it is the curve traced out by a point that moves so that its distance from a given point is constant. The radius of a circle is the distance from the center […]

February 18, 2016 Grade 9, Math, Quadrilaterals

Definition A quadrilateral is a four-sided polygon with four angles. There are many kinds of quadrilaterals. The five most common types are the parallelogram, the rectangle, the square, the trapezoid, and the rhombus. Watch the Quadrilateral videos for more learn. Quadrilateral A quadrilateral is a four-sided polygon with four angles. We can construct a quadrilateral similar to a given quadrilateral […]

Definition A circle is a shape with all points the same distance from the center. The radius of a circle is the distance from the center of a circle to any point on the circle. Watch Radius Of A Circle Videos for more details. Circle and its radius A circle is a locus (set) of points […]

February 8, 2016 Grade 9, Math, Quadrilaterals

Definition A parallelogram is a quadrilateral with both pairs of opposite sides parallel. Or in other words, a parallelogram is a quadrilateral with opposite sides parallel. So, the opposite angles are equal. Some special type of parallelogram are ; rhombuses, rectangles and squares.. because these shapes have additional properties that distinguish them from other parallelograms. Special Type Parallelogram […]

February 8, 2016 Grade 9, Math, Quadrilaterals

Definition A parallelogram is a quadrilateral with both pairs of opposite sides parallel. Or in other words, a parallelogram is a quadrilateral with opposite sides parallel. So, the opposite angles are equal. Watch Parallelogram And Properties Videos, and study about it. PROPERTIES OF PARALLELOGRAMS One special kind of polygons is called a parallelogram. It is […]

Definition Triangle inequality theorem states that, the sum of the lengths of any two sides of a triangle is greater than the length of the third side. The applied problems and the proof of theorem are explained at Triangle Inequality Theorem Video , watch it. Triangle Inequality Theorem The statement of the theorem is that, the […]

February 8, 2016 Grade 9, Introduction to Euclids Geometry, Math

Definition Geometry, is the branch of mathematics concerned with the shape of individual objects, spatial relationships among various objects, and the properties of surrounding space. The history behind the geometry in India describes the whole content of geometry of mathematics in India.The geometry history in India is very clearly observed in the History Of Geometry In India […]

February 8, 2016 Grade 9, Math, Polynomials

Definition Polynomial is a type of algebraic expression with many terms having variables and coefficients. The polynomial remainder theorem states that the remainder of the division of a polynomial by a linear polynomial is equal to. In particular, is a divisor of if and only if. The statement and the practical problems are explained in to the Remainder Theorem […]

February 8, 2016 Grade 9, Math, Polynomials

Definition Polynomial is a type of algebraic expression with many terms having variables and coefficients. We can process the polynomials by the different algebraic operations like; addition, subtraction, multiplication and division. Watch the Operations On Polynomials Videos for more details. Operations on Polynomials 1) Addition of Polynomials: In the following table, the steps for addition of […]

February 8, 2016 Grade 9, Math, Polynomials

Definition Polynomial is a type of algebraic expression with many terms having variables and coefficients. The method of expressing a given polynomial as the product of polynomials each of degree less than the given polynomial is called factorization of polynomials. Watch Polynomial And Its Factorization Video, to know about the process. Factorization If g(x) and […]

February 8, 2016 Grade 9, Math, Number Systems

Definition A number ‘r’ is called a rational number, if it can be written in the form p/ q , where p and q are integers and q ≠ 0. Both rational and irrational numbers are real numbers. This number system is very clearly explained with an example in Rational Number System Videos, watch it. Rational number […]

February 8, 2016 Grade 9, Math, Number Systems

Definition When measurement numbers are gathered or calculated, to be precise and accurate you must determine which digits in the numbers are necessary—-that is, which are the significant figures. For more details watch the Significant Figures Videos. Significant Figures The rules for determining significant figures All non-zero digits are significant. For example in 285 cm, there […]

February 8, 2016 Grade 9, Math, Number Systems

Definition Real numbers are numbers that can be found on the number line. This includes both the rational and irrational numbers. The real number systems carries a set of properties which help us define how numbers should behave. The Rational Number And Its Properties Videos describes about the rational number system and its properties. For more […]

February 8, 2016 Grade 9, Math, Number Systems

Definition An irrational number is a non terminating, non repeating decimal. An irrational number is one that cannot represented as a ratio of p/q , such that p and q are both integers and q ≠ 0. Irrational numbers cannot be expressed as a terminating or repeating decimal. Irrational Number System Video represents an irrational numbers […]

February 7, 2016 Grade 9, Math, Surface Areas and Volumes

Definition Cone is a solid that has a circular base and a single vertex. From, Cone Video viewed that the basic property of cone and its area and volume, watch the video. Cone A cone is a solid that has a circular base and a a single vertex. If the vertex is over the center of the […]

February 7, 2016 Grade 9, Math, Quadrilaterals

Definition A quadrilateral is a four-sided polygon with four angles. There are many kinds of quadrilaterals. The five most common types are the parallelogram, the rectangle, the square, the trapezoid, and the rhombus. The easiest method to compute an area of a quadrilateral is by dividing the quadrilateral into triangles. Area Of A Quadrilateral Video describes about the […]

February 7, 2016 Grade 9, Math, Quadrilaterals

Definition Trapezium is a quadrilateral with one pair of sides parallel. We can calculate the area of trapezium by the equation, ½×(a + b)×h, where a, b = sides, h = height. Area Of A Trapezium Video explains deeply about the area of rhombus watch it. Area Of Trapezium A trapezium is a shape with four sides, that […]

February 7, 2016 Grade 9, Math, Quadrilaterals

Definition Rhombus is a quadrilateral all of whose sides have the same length. We can calculate the area of rhombus by three different ways to calculate the area of a rhombus., i.e. by base times height methods,diagonals method and using trigonometry. Area Of Rhombus Video explains deeply about the area of rhombus watch it. Rhombus A rhombus […]