Teaching Material “The Sums of the Interior and Exterior Angles of a Concave Quadrilateral”
Makoto NISHIZAWA, Yuichiro HATTORI
Article type: Special Issue Teaching Reports of Lessons Based on the Revised Course of Study for Lower Secondary School Mathematics⑶
2023 Volume 105 Issue 7 Pages
2-13
Published: July 01, 2023
Released on J-STAGE: July 01, 2024