Translation guide
The English word "pentagon" primarily refers to a five-sided polygon. In Japanese, the geometric shape is expressed with specific terms, while the U.S. Department of Defense headquarters is referred to by a direct loanword.
Referring to a five-sided polygon in mathematics or general contexts.
Standard term for a pentagon as a geometric shape. Used in mathematics and everyday descriptions.
Referring to the headquarters of the United States Department of Defense.
Use 五角形 (gokakukei) for the geometric shape. Use ペンタゴン (Pentagon) only when referring to the U.S. Department of Defense building or organization. Mixing them up can cause confusion.
The children learned how to draw a pentagon.
This shape is a pentagon.
The sum of the interior angles of a pentagon is 540 degrees.
Less common term for pentagon, emphasizing five sides. Used in some mathematical contexts.
A pentagon is a polygon with five sides.
Loanword directly borrowed from English. Used in news and general conversation to refer to the U.S. Department of Defense building or organization.
The Pentagon is the headquarters of the Department of Defense.
According to the Pentagon's announcement, a new policy will be introduced.
Formal Japanese term meaning "U.S. Department of Defense." Often used in news reports or official contexts.
The U.S. Department of Defense issued a statement.
The Pentagon is located in Washington, D.C.