📐 Master Pappus’s Theorem | Rotating a Quarter Circle #PappusTheorem #surfaceofrevolution #CalculusII #Centroid #SolidOfRevolution #MathTutorial #EngineeringMath 🌀 Rotating shapes in space? Pappus–Guldin makes surface area easy — when you know how to apply it! In this video, we explore how to use the Pappus–Guldin Theorem to find the surface area generated by rotating a quarter circle about the Y-axis. ✅ What you’ll learn: How to apply Pappus–Guldin Theorem step-by-step How to determine the ce

Pappus's hexagon theorem: another beautiful little geometry gizmo. #geometry #geometryart #math #maths #matematica #mathematik #pappus #hexagon #mathhack #mathtok #stemtok