17 miles
You'd need some sort of measure of some part of the pentagon for someone to answer.
Yes there are many specialty curtains made that are designed for hallways
15.4 road miles.
About 20km
The plane was going at 402 miles an hour full speed at the pentagon.
There is 540 in a pentagon.
A pentagon has five sides.
A pentagon has 5 diagonals.
A pentagon has five sides.
There are 5 angles in a pentagon.
There are five diagonals in a pentagon.