Japan
Yes, the Pentagon.
When it is a building otherwise a 5 sided polygon is a pentagon
on the day of the 9/11 attack the Pentagon building was also destroyed and left the building in ruins.
"The Pentagon" refers to the building that houses offices of the United States Department of Defence. "the pentagon" refers to a specific five sided figure
Japan
The Pentagon.
Each corner of the Pentagon building is 108 degrees (assuming that the building is indeed a perfect equalateral pentagon).
They are both the same. Pentagon is just a shorter way of saying the pentagon building. As for if you meant the shape pentagon, it is called the pentagon because it's shape is a pentagon.
Yes, the Pentagon.
If viewed from the air, the shape of the building is a pentagon (it has 5 sides)
Yes. The building is called "The Pentagon". http://en.wikipedia.org/wiki/The_Pentagon
When it is a building otherwise a 5 sided polygon is a pentagon
The US "Pentagon" building is an example of their use.
The building that's shaped like a pentagon.
The Pentagon building in Washington, DC. ;)These are right
Yes