Octagon – Definition – Shapes – Types – Formula – Properties What is an Octagon? An octagon is a geometric shape that falls within the category of polygons, specifically an eight-sided polygon. The term “octagon” is derived from the Greek words “okto,” meaning eight, and “gonia,” meaning angles. Below is a detailed exploration of octagons: […]

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Hexagon – Definition – Shapes – Types – Formula – Properties What is a Hexagon? A hexagon is a six-sided polygon with various properties and types. The word “hexagon” comes from the Greek words “hex,” meaning six, and “gonia,” meaning angle. Here’s a detailed breakdown: Definition A hexagon is a polygon with six edges (sides) […]

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Co-internal angles Co-interior angles, also known as consecutive interior angles or same-side interior angles, are pairs of angles that lie on the same side of a transversal and inside the two lines it intersects. These angles have specific properties depending on whether the lines they intersect are parallel or not. Definition and Identification (1) Transversal […]

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Pentagon – Properties In a pentagon the sum of the internal angles is equal to 540°. In a regular pentagon each interior angle measure is 108°, and each exterior angle measure is 72°. A regular pentagon has five axes of symmetry, each one of them passes through a vertex of the pentagon and the middle […]

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Corresponding Angles – Definition – Examples Two angles that are corresponding are those that are located on the same side of a transversal in identical relative position. They typically result from a transversal cutting two lines, whether they are parallel or not. In other words corresponding angles formed when a transversal line cuts across two […]

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Alternate Angles: Definition and Types In this tutorial we will learn definition and types of alternate angles. In geometry, alternate angles are a special kind of angles. Alternate interior angles are formed when a transversal intersect two parallel or non-parallel lines. If a straight line intersects two lines, in the same plane at two distinct […]

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What is an Angle Angles are formed by two rays or lines called the arms or sides of the angle, sharing a common endpoint, called the vertex of the angle. Types of angles There are various types of angles. The angles can be classified into two main types. Basis on their measure or magnitude. Based […]

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Angle – Definition – Geometry Definition: In plane geometry, angles are formed by two rays or lines called the arms or sides of the angle, sharing a common endpoint, called the vertex of the angle. Angle Symbol An angle is represented by symbol ∠ Angles are measured in degree, which is unit of angle using […]

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Interior & Exterior angle of a polygon  In this lesson we will learn the, (1) Solutions of problems on interior and exterior angles of a polygon.  Example 1: Find the sum of all interior angles in a regular triangle (3-sided). Solution: Step 1: Write the formula Sum of interior angles of a polygon = (n-2) […]

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 Convex Polygons: Definition – Examples and Properties   All polygons is either convex or concave. A polygon will be convex or concave, it depends on the measure of their angles. If the measures of all interior angles is less 1800 than the polygon is convex, otherwise the polygon is concave.                 […]

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