Abscissa – Definition and Example  Definition:  Abscissa is the value of the X coordinate on a coordinate plane. In a coordinate plane the abscissa is the X coordinate of a point. The Horizontal line is called the X axis, and abscissa is the value of the X axis on a coordinate plane. The distance of a point from the Y axis […]

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 Elements of a Parallelogram In figure a Parallelogram ABCD.  There are four sides AB, BC, CD and DA and four angles ∠A, ∠B, ∠C and ∠D in a Parallelogram. AB and DC are opposite sides, and AD and BC are another pair of opposite sides. ∠A and ∠C are a pair of opposite angles, and another pair of opposite angles are ∠B and ∠D. AB […]

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If a transversal intersects two lines, such that a pair of alternate interior angles are equal then the two lines are parallel. Given: Two lines AB and CD, and PS be transversal intersecting, AB at Q and CD at R. Each pair of alternate interior angles are equal. i.e. ∠BQR = ∠CRQ and ∠AQR = ∠QRD To Prove: AB ∥ CD Proof: Transversal […]

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If each pair of opposite sides of a quadrilateral is equal, then it is a parallelogram.  Given: ABCD is a quadrilateral, each pair of opposite sides of quadrilateral ABCD are AB and CD and also sides AD and BC are equal. AB = CD BC = AD To prove: ABCD is a parallelogram. Construction: Join A to C that is AC, is […]

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Solve Square Root Problems To solve square root problems, especially if we’re looking for a simple approach, here are some detailed methods we can consider: 1. Understanding Square Roots The square root of a number ( x ) is a value ( y ) such that ( y2 = x ). For example, the square […]

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Supplementary and Complementary Angels To understand supplementary and complementary angles, first we need to understand the adjacent angles.                          Adjacent angle Two angles that have a common vertex and a common side but not overlap, are known as adjacent angles.    Complementary Angles When the total of […]

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Cube Root by Factorisation Method In this lesson we will learn prime factorisation of the numbers and their cubes. Before we study how to calculate cube root by prime factorisation we will see, What is prime number, prime factorisation, cube root and cube numbers. A prime number is a natural number greater than 1, with exactly two […]

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Quadrilateral – Definition – Properties There are kinds of quadrilaterals, based on the sides and angles.  1. Parallelogram 2  Rectangle 3. Square 4. Rhombus 5. Trapezium 6. kite 1.                       Parallelogram A Parallelogram is a quadrilateral, whose both pairs of opposite sides are parallel and equal in length. In above […]

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Angle Formed By Two Lines and a Transversal  In above figure line l, intersects two lines m and n at the point p and q respectively. Therefore, line l is a “Transversal” for lines m and n. Four angles are formed at the points p, by line l, name of these angles as  ∠1, ∠2, ∠3, and ∠4. Four angles are formed […]

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