Text ( visual ) : unmediated A panoply of polygons / Claudi Alsina, Roger B. Nelsen. -- :pbk.. -- Providence, R.I. : MAA Press, an imprint of the American Mathematical Society , c2023. -- xi, 267 p. : ill. ; 23 cm. -- (The Dolciani mathematical expositions ; v. 58). -- Includes bibliographical references (p.253-260) and index. -- ISBN 9781470471842 ; (BD01705470) ; https://ci.nii.ac.jp/ncid/BD01705470 Author Heading(s): Alsina, Claudi ; Nelsen, Roger B.. -- Classification(s): LCC : QA482. -- Subject Heading(s): LCSH : Polygons