What did the destruction of the berlin wall signify? the destruction of the berlin wall signified the end to socialism in eastern europe. the destruction of the berlin wall signified a new era in international travel and tourism. the destruction of the berlin wall signified the failure of cold war diplomacy. the destruction of the berlin wall signified the end of the cold war.

The destruction of Berlin wall signified the end of cold war.
Berlin wall was built in 1961 this is during the cold war. It separated West and East of Berlin. The relationship which was between  USA and USSR after the end of world war two was called cold war.Different ideologies which were between systems of government, what the people thought about them and how they worked was shown by Berlin wall.

Use the formula: (n-2)×180, where n is the number of sides(18-2)×180= 28800, now this is the full exterior angle of 18-gon so you divide it by 18.28800÷18=160