Given the question: Extract the answer to the question from the following context. Question: A 2D shape with four equal straight sides and four right angles is called? Context: On July 16, 1989, the Popular Front of Azerbaijan held its first congress and elected Abulfaz Elchibey, who would become President, as its Chairman. On August 19, 600,000 protesters jammed Baku’s Lenin Square (now Azadliq Square) to demand the release of political prisoners. In the second half of 1989, weapons were handed out in Nagorno-Karabakh. When Karabakhis got hold of small arms to replace hunting rifles and crossbows, casualties began to mount; bridges were blown up, roads were blockaded, and hostages were taken.
The answer is:
Square