pentagon

As nouns the difference between geometry and pentagon

is that geometry is (mathematics|uncountable) the branch of mathematics dealing with spatial relationships while pentagon is pentagon.

As nouns the difference between pentagon and nest

is that pentagon is pentagon while nest is native english-speaking teacher.

As a noun pentagon is

pentagon.

As nouns the difference between rhombicosidodecahedron and pentagon

is that rhombicosidodecahedron is (geometry): an archimedean solid with 20 regular triangular faces, 30 regular square faces, 12 regular pentagonal faces, 60 vertices and 120 edges while pentagon is pentagon.

As nouns the difference between tetragon and pentagon

is that tetragon is (geometry|rare) a quadrilateral while pentagon is pentagon.

As nouns the difference between pentagon and heptagon

is that pentagon is pentagon while heptagon is heptagon.

As nouns the difference between pentagon and quintet

is that pentagon is a polygon with five sides and five angles while quintet is a composition (a type of chamber music) in five parts (typically each a singer or instrumentalist, sometimes several musicians.

As a proper noun Pentagon

is the headquarters of the United States of America's Department of Defense.

In geometry terms the difference between pentagon and octagon

is that pentagon is a polygon with five sides and five angles while octagon is a polygon with eight sides and eight angles.

As a proper noun Pentagon

is the headquarters of the United States of America's Department of Defense.

In geometry terms the difference between rectangle and pentagon

is that rectangle is a quadrilateral having opposing sides parallel and four right angles while pentagon is a polygon with five sides and five angles.

As a proper noun Pentagon is

the headquarters of the United States of America's Department of Defense.

As nouns the difference between pentagon and hectagon

is that pentagon is pentagon while hectagon is a polygon with 100 edges, vertices, and angles.