👉 In geometry, a septagonal number is a figurate number that can be represented as a 12-sided polygon. It's named after the septa, which are thirteen points on a regular hexagon, forming the sides of the polygon. A septagonal number is defined by the formula: \[ \text{septang} = n(n + 1) / 2 \] where n is the term we're considering. The first few septangular numbers are:
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What is the definition of Septangular? 🙋
👉 The term 'septangular' is a mathematical concept that refers to a polygon in which all sides have the same length. This is often used in geometry, particularly when discussing polygons with straight edges and angles. In other words, if we consider the lengths of the sides of a polygon as 's', then it can be shown that any polygon with 'n' sides will have exactly s
n/2 diagonals.
