How to Find Surface Area of a Cylinder | Geometry Formula Explained

Описание: Learn how to calculate the Total Surface Area of a Cylinder in this easy step-by-step geometry tutorial! 📐✨

We break down the formula 2πr² + 2πrh into simple parts so you can understand exactly where it comes from. You will learn how to 'unroll' a cylinder into its net, calculate the area of the circles, and find the area of the curved lateral surface.

In this video, we cover:
🔹 The definition of a cylinder (Radius & Height)
🔹 Understanding the Cylinder Net (2 Circles + 1 Rectangle)
🔹 Why the width of the rectangle is the Circumference (2πr)
🔹 The full formula derivation
🔹 A complete worked example with numbers

Perfect for students, beginners, or anyone looking to refresh their math skills! 🧠💡

#Geometry #MathHelp #SurfaceArea #Cylinder #MathTutorial #Education #StudyGram

Chapters:
00:00 - Surface Area of a Cylinder
00:14 - What is a Cylinder?
00:35 - Unrolling the Cylinder
00:52 - Part 1: The Circles
01:11 - Part 2: The Curved Surface
01:27 - What is the Width?
01:45 - Area of the Curved Surface
02:03 - Total Surface Area
02:19 - Example
02:48 - Summary
03:08 - Outro

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