বহুভুজৰ কৰ্ণৰ সংখ্যা | Number of Diagonals in Polygons

Number of Diagonals in Polygons | বহুভুজৰ কৰ্ণৰ সংখ্যা 📐 What is the Number of Diagonals in a Polygon? | Mehdi Hassan Have you ever wondered how to find the number of diagonals in a polygon? 🤔 In this video, we will learn a simple formula to calculate the number of diagonals in any polygon, along with clear examples and easy explanations. 📚 What you will learn in this video: ✅ What is a diagonal in a polygon? ✅ The formula for finding the number of diagonals ✅ How to apply the formula to different polygons ✅ Number of diagonals in a triangle, quadrilateral, pentagon, and hexagon ✅ Examples to understand the concept easily ✅ Whether the formula works for regular and irregular polygons 🧮 Formula for the Number of Diagonals: Number of diagonals = n(n − 3) / 2 Here, n represents the number of sides of the polygon. 📌 This formula makes it easy to calculate the number of diagonals without drawing every diagonal individually! 🎯 Whether you are a school student or preparing for a competitive examination, this video will help you understand the concept quickly and confidently. 👍 If you find this video helpful, don't forget to LIKE, SHARE, and SUBSCRIBE for more interesting mathematics lessons. 💬 Comment below: How many diagonals does a polygon with 10 sides have ? #mathematics #polygons #diagonals #zmath810 #competitiveexams