Sum of Arithmetic Sequence Formula | Arithmetic Recursive

Arithmetic is one of the oldest elementary branches of the mathematics that is originated from the Greek word. This branch of mathematics involves the study of numbers, and the properties of the study of traditional operations like sum, difference, division, or multiplication etc. There are four basic operations applied to the arithmetic numbers and the […]

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What is Pentagon? Area of a Pentagon Formula

What is Pentagon? A Pentagon is the closed two-dimensional figure with five sides and five angles. So, this is also named as the five-sided shape or Regular Pentagon when all sides and angles are equal. As this is discussed already, the Pentagon is a closed figure. So, if angles or sides don’t meet each other […]

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What is Octagon? Area of an Octagon Formula

What is the Octagon? A Polygon is a two-dimensional figure that is made up of multiple straight-line segments. In Geometry, Octagon is also a polygon with eight segments and length of each of the sides would be equal. Further, measurement of each angle is also the same in the case of Octagon. This is a […]

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Proof Formulas of Area of Equilateral Triangle & Right Angle Triangle

Equilateral Triangle Formula The Equilateral Triangle is another common type having all three sides are equal and the interior angles are also the same i.e. 60-degree. The equilateral Triangle Formulas in geometry are given as – \[ Area \;of \;an \;Equilateral \;Triangle = \frac{\sqrt{3}}{4}a^{2}\] \[ Perimeter \;of \;an \;Equilateral \;Triangle = 3a\] \[ Semi \;Perimeter […]

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