@civileng.sur: Diagonal Formula Explained | Surveying & Civil Engineering The Diagonal (Dignal) Formula is one of the most important calculations in surveying, construction layout, and site measurements. It helps you check right angles, verify room or plot dimensions, and ensure accurate layout work. 📐 Formula: D = √(L² + W²) Where: D = Diagonal L = Length W = Width 📌 Example: Length = 6 m Width = 8 m D = √(6² + 8²) D = √(36 + 64) D = √100 = 10 m This method is widely used in: ✔ Plot cross-measurement ✔ Building layout ✔ Checking squareness ✔ Surveying & setting out ✔ Construction verification --- 🔗 Website: https://heylink.me/Engfurqan/ 📢 Telegram Channel: https://t.me/Civilengsur 👤 Watermark: Eng. Furqan --- ✅ Hashtags #CivilEngineering #Surveying #DiagonalFormula #EngineeringBasics #ConstructionWork