because bob named it that... Ok?
If you mean the building, it is because it is pentagonal in shape. If you mean the shape, "pentagon" is greek for "five angles".
Actually, I think the Pentagon is named so because of the five branches of the military: U.S. Army, Marine Corps, Navy, Air Force, Coast Guard. And then it was built to be five sided to represent those branches.
That's called a pentagon.That's called a pentagon.That's called a pentagon.That's called a pentagon.
A five sided polygon is called a pentagon because pentagon means five sided polygon I think.
pentagon A pentagon. A 5-sided figure is called a pentagon. pentagon A five sided figure is called a pentagon
A 3D pentagon could be called a pentagon prism or a dodecahedron which is a Platonic solid with 12 pentagonal faces.
In geometry, a pentagon (from the Greek πέντε pente and γωνία gonia, meaning five and angle) is any five-sided polygon or 5-gon. The sum of the internal angles in a simple pentagon is 540°. A self-intersecting regular pentagon (or star pentagon) is called a pentagram.
Because a pentagon has 5 sides
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.
A polygon with five sides and five angles is called a pentagon.
If viewed from the air, the shape of the building is a pentagon (it has 5 sides)
A 3-D pentagon
Not a pentagon. Penta = 5
A 3D pentagon could be called a pentagonal prism or possibly a dodecahedron!
A 5 sided shape is called a pentagon.
It is a pentagon.
Equilateral just means equal sided. An equilateral pentagon is therefore a pentagon with all its sides of equal length. If an equilateral pentagon is also an equal-angled pentagon then it is called a regular pentagon.
An equilateral pentagon.pentagon
A regular pentagon
a pentagonpentagon.A pentagon is a figure with five sides.
The Pentagon is located near Washington DC in Arlington, Virginia (United States of America) and is called the pentagon because it is a five sided building.
A pentagon has five side and the lengths do not all have to be the same, apentagon which ahs all five side the same is sometimes called a "true pentagon"
A pentagon or an irregular pentagon if the sides are unequal in length.
Because it is a building that has five sides to it and the word pentagon means a five sided shape.
I think it's because Penta means five and a pentagon is 5 sided and the pentagon building when looked from above has 5 sides try wikipedia images