Congruent Triangles

A triangle is a simple closed figure made up of three line segments. A triangle has six parts or elements, namely: a) Three sides and b) Three angles. The point of intersection of two adjacent sides of a triangle is called a vertex. A triangle has 3 vertices. A median of a triangle is the

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A circle is a locus of a point that moves in such a way that its distance from a fixed point is always constant. The fixed point is called the center of the circle. The line segment joining any two points on a circle is called a chord of the circle. A chord of a

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Facts or figures collected with a definite purpose are called data. Statistics deals with collection, presentation, analysis, and interpretation of numerical data. Arranging data in order to study their salient features is called the presentation of data. Data arranged in ascending or descending order is called arrayed data or an array. The range of the

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