- https://doi.org/10.52737/18291163-2023.15.1-1-15
On the Minimal Annulus of Triangles and Parallelograms
- Jan 26, 2023
- Armenian Journal of Mathematics
- Salvatore Vassallo
Abstract
Sharp upper and lower bounds for the isoperimetric deficit of triangles or parallelograms with the minimal annulus of radii $R$ and $r$ are given.
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