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Introduction to Lines
Last Updated: 15 May 2026
A line in geometry is a straight path that goes on forever in both directions. It has no thickness and is usually drawn between two points, but it keeps going without stop...
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Mathematics
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2D-Shapes
Introduction to Area and Perimeter
Last Updated: 14 May 2026
Area and perimeter are two basic measurements used to describe two-dimensional shapes. The perimeter is the total distance around the boundary of a shape, while the area t...
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Mathematics
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Annulus
Last Updated: 14 November 2025
The term 'annulus' comes from the Latin word annuli, meaning 'little ring.' An annulus is a flat, plane figure formed between two concentric circles, creating a ring-like ...
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Mathematics
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Introduction to Mensuration | Formulas for 2D and 3D Shapes, Examples
Last Updated: 23 July 2025
Mensuration is the branch of mathematics that deals with the measurement of various geometric figures and shapes. This includes calculating areas, volumes, and perimeters ...
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Hexagon Shape
Last Updated: 23 July 2025
A hexagon is a polygon with six sides and six angles. In a regular hexagon, all sides and angles are equal. The sum of the interior angles of a hexagon is 720°, and each i...
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Mathematics
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Angles in a Pentagon
Last Updated: 23 July 2025
Pentagon is a two-dimensional (2D) five-sided polygon having five angles. In a regular pentagon, the sum of all interior angles is equal to 540° with each interior angle ...
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Pentagon in Maths | Shape, Parts, Types, Examples
Last Updated: 23 July 2025
The pentagon is a two-dimensional polygon with five straight sides and five interior angles. There are two main types of pentagons:Regular Pentagon: When all sides and ang...
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Area of Parallelogram | Definition, Formulas & Examples
Last Updated: 23 July 2025
A parallelogram is a four-sided polygon (quadrilateral) where opposite sides are parallel and equal in length. In a parallelogram, the opposite angles are also equal, and ...
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Trapezium: Types | Formulas |Properties & Examples
Last Updated: 23 July 2025
A Trapezium or Trapezoid is a quadrilateral (shape with 4 sides) with exactly one pair of opposite sides parallel to each other. The term "trapezium" comes from the Greek ...
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