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This article explores the existence of perfect quadrilaterals as a generalization of perfect triangles. We define the concepts of rational quadrilaterals and cyclic quadrilaterals, illustrating and proving several of their properties. Subsequently, we present the significant contributions of Brahmagupta and Kummer related to the study of rational quadrilaterals. Finally, we introduce the concept of perfect quadrilaterals and demonstrate, with the aid of computational algebra, the existence of only eleven perfect cyclic quadrilaterals.