11.3 Derive Lateral Area of a Cone
Two methods of deriving the lateral area of a cone are presented:
(1) Finding the limit of the lateral area of a regular n-gon pyramid as [math]n\to\infty[/math].
(2) Cutting and flattening the lateral surface to form a sector.
- 適合年齡
- 15 – 18
- 語言
- English (United States)
