Lines of symmetry in a regular Rhombus What is a Rhombus? A rhombus is a quadrilateral whose all the sides are of equal in length, opposite sides are parallel and opposite angles are equal. In other words, a rhombus is a parallelogram with adjacent sides of equal length. What is line of symmetry ? The […]

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Lines of symmetry in a regular Square A shape may have more than one line of symmetry depending on its angles and the lengths of each side. For example, a rectangle has two lines of symmetry because it can be folded in half both horizontally and vertically to create mirror images. A regular square is […]

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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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Perimeter of a Square – Definition – Examples – Formula What is perimeter? Perimeter comes from the Greek words ‘Peri’ meaning surrounding or inclosing of a surface and ‘Meter’ meaning distance. So perimeter means total measurement of boundaries of a surface. Definition: The Perimeter of a square is the distance (total of length) covered by […]

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Complex Numbers – Definition and Examples Complex Numbers The concept Complex numbers was first used in 1st century by a Greek mathematician Alexandria, when he tried to find the square root of a negative number. After that in 16th century complex number was define by Italian mathematician Gerolamo Cardano, in the process of finding the […]

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Right Angle Triangle – Definition – Formula – Properties What is a Right Angle Triangle? A right angle triangle is a type of triangle. A right angle triangle plays an important role in trigonometry. A triangle in which one of the interior angle is 90º or a right angle is a right triangle. Right Triangle […]

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Exponents and Power Rules In this chapter we will learn about exponent and power. These are very large numbers, and difficult to read, and compare. To make these numbers easy to read, compare and understand we use exponents. Exponents  Definition: When a number repeatedly multiply by itself, we raise it to a power. This is known as […]

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Order of mathematical Operations The four basic operation in mathematics, as everyone knows, are addition, subtraction, multiplication and division. These basic operations are used in algebra with numbers or letters or combination of both. A number multiplied by a variable, a number or variable is called a term. An expression is combination of such terms. Example: In […]

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