EntityQ3222962· pop 10· linked from 71 articlesspecial right triangleSign in to saveright triangle with an additional feature beyond the right angle making calculations on the triangle even easierConnectionstrigonometric functionEntityEuclidean geometryEntitysine and cosineEntitygeometryEntityAncient EgyptEntitytriangleEntityareaEntityInternational Standard Book NumberEntitytrigonometryEntityPlutarchEntitysquareEntityPythagorean theoremEntityintegerEntityrational numberEntitydigital object identifierEntitygolden ratioEntitypentagonEntityradianEntityhexagonEntityright triangleEntityCategoriesEuclidean plane geometryTypes of triangles