Natural Science, Mathematics, 2025
On the Minimal Annulus of Triangles and Parallelograms
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Submitted: 2024-12-03; Published: 2024-12-03
© 2024 by author(s) and The Gufo Inc.
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Abstract
Sharp upper and lower bounds for the isoperimetric deficit of triangles or parallelograms with the minimal annulus of radii RR and rr are given.