Take any quadrilateral such as ABCD above. Construct the midpoints of each side and join them to form another quadrilateral EFGH. Varignon's Theorem asserts that the ...
Major geopolitical shifts in the Asia-Pacific in the last decade have led to a revitalization of the Quadrilateral Security Dialogue between India, Japan, Australia, and the United States first ...
The Quadrilateral Security Dialogue (Quad): An informal strategic forum, the Quad is a diplomatic partnership between Australia, India, Japan, and the United States, focused on advancing a free, open, ...