http://dbpedia.org:8891/sparql?query=define%20sql%3Adescribe-mode%20%22SPO%22%20DESCRIBE%20%3Chttp%3A%2F%2Fdbpedia.org%2Fresource%2FThe_Secrets_of_Triangles%3E&format=cxml&output=application%2Fatom%2Bxml2021-09-22T04:46:54.147042ZOData Service and Descriptor Documenthttp://dbpedia.org/resource/The_Secrets_of_Triangles2021-09-22T04:46:54.147042ZThe Secrets of Triangles65604218The Secrets of Triangles: A Mathematical Journey is a popular mathematics book on the geometry of triangles. It was written by Alfred S. Posamentier and , and published in 2012 by Prometheus Books.9880449544881The Secrets of Triangles: A Mathematical Journey is a popular mathematics book on the geometry of triangles. It was written by Alfred S. Posamentier and , and published in 2012 by Prometheus Books.