Cone Formula PROOF Explained Clearly (Surface Area + Volume)
Автор: THE BEST REMEDIAL
Загружено: 2026-03-04
Просмотров: 19
Описание:
In this video, I explain how to PROVE the formulas of a cone instead of memorizing them.
Many students cram the formulas for:
Curved surface area of a cone
Total surface area of a cone
Volume of a cone
But in this lesson, I break everything down step-by-step so you can understand where the formulas actually come from.
By the end of this video, you will confidently know:
✔ Why the curved surface area of a cone is πrl
✔ How to derive the total surface area formula
✔ Why the volume of a cone is 1/3 πr²h
✔ How the cone is connected to a cylinder
If you are preparing for WAEC, NECO, JAMB, GCSE, or any secondary school mathematics exam, this lesson will help you deeply understand cone formulas without cramming.
📌 Watch till the end so you never forget these formulas again.
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