Equation of a Circle when the Center of Circle Coincides with the Origin In this tutorial we will learn, equation of a circle when the center of circle coincides with the origin with examples. The equation of a circle in a Cartesian coordinate system can be expressed in a simple form when the center of […]

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Equation of a Circle – Standard Form In this tutorial we will discuss what is an equation of a circle formula in standard form and find the equation of a circle with examples. The equation of a circle in standard form is a mathematical representation that describes all the points (x, y) that are equidistant […]

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Lines of Symmetry In Regular Polygons What is line of symmetry? An object is considered to be symmetrical, if when folded or sliced in half, both halves are mirror images of one another. An object is said to have a line of symmetry when one half of it is the mirror image of the other. […]

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       Introduction – Pie Chart   Here we will discuss in brief about construction of a Pie Chart or Pie Graph from given data. Let us see what is a pie chart or pie graph. A “pie graph or (pie chart)” is a circular chart divided into sectors, each sector represents a proportionate part of a whole. […]

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Intersection of sets  Definition: The ‘Intersection of two sets’ A and B is the set of all elements, which belong to both A and B. or simply,  The ‘Intersection of two sets’ A and B is the set of all elements, which are common in both A and B. Symbol  ‘∩’ is used to denoted the Intersection of two sets […]

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 Congruent Figures In our daily life we see many congruent objects like as,  (i) Two 2 Rupees, 5 Rupees, or 10 Rupees coins. (ii) Two text books of mathematics of same class.  Two figures or objects are called congruent, when one object cover the other completely and exactly. This means that two books or coins […]

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Geometry practice on circle Here, we will practiced and discussed the questions on circle. Fill in the blanks. (1) The common point of a tangent and the circle is called …….. (2) A circle may have …….. parallel tangents. (3) A tangent to a circle intersects it in …….. point. (4) A line intersecting a […]

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 Rhombus – Definition – Properties Definition: A rhombus is a quadrilateral (closed shape, plane figure) with four straight sides that are equal length also opposite sides are parallel and opposite angles are equal. A rhombuses is a type of parallelogram. All rhombuses are parallelograms, but not all parallelograms are rhombuses.  All squares are rhombuses, but not all […]

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