Bihar STET Maths | Mensuration Part 17 | 2D Mensuration All Formulas In One Video | Bihar STET 2026

Bihar STET Maths Mensuration Part 17 | 2D Mensuration Complete Solution 🔥 Is Video Me Complete 2D Mensuration Cover Kiya Hai: 📌 2D MENSURATION FORMULAS: ✅ Square: Area = a², Perimeter = 4a ✅ Rectangle: Area = l×b, Perimeter = 2(l+b) ✅ Triangle: Area = ½×b×h ✅ Circle: Area = πr², Circumference = 2πr ✅ Parallelogram: Area = b×h ✅ Trapezium: Area = ½(a+b)×h ✅ Rhombus: Area = ½×d1×d2, Perimeter = 4a 🎯 For: Bihar STET 2026 | All Teaching Exams Sab Formulas Trick Ke Saath In One Video! #biharstet #mensuration #2dmensuration #biharstetmaths #maths #mensurationformulas #biharstet2026 #completeteachingdrive #stet #areaperimeter Playlist: Bihar STET Maths Complete Series Subscribe: @completeteachingdrive