No. TNA have an octogon ring.
The K stands for Karat. It tells you how many Karats are in a ring. For example if it says '9k', that means there are 9 karats of gold in your ring. A pentagon represents the metal platinum. So a ring with a pentagon on it contains or is made entirely of platinum.
It was named after a pentagon, it wasn't the 'Pentagon' that named the 'pentagon'.
a pentagon only have 5 angles?
If viewed from the air, the shape of the building is a pentagon (it has 5 sides)
The US "Pentagon" building is an example of their use.
The Pentagon is the headquarters of the United States Department of Defense.
A pentagon is a five-sided shape.The Pentagon is the center of US military planning and coordination.
625 qubic feet
5 sides just like the shape pentagon
the pentagon
Washington, DC