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Because in the early Roman calendar there were only 10 months in a year with September being the 7th month and October being the 8th month.
Julius Caesar added an extra 2 months to the year which we call the Julian Calendar which now had 12 months to the year and with some modificatios by Pope Gregory we still use it today.
What else can I help you with?
Is a septagon a parallelogram?
No because a septagon is the same as a heptagon which is a 7 sided polygon
What is the word for a 7 sided polygon?
Septagon
7 sided polygon?
A 7 sided polygon is called a Heptagon or a Septagon.
7 sided figure is called?
heptagon, NOT septagon.
2 names for a 7 sided shape?
Septagon or Heptagon = seven sided shape
What is a seven sided polygon is called a?
a heptagon
What is a word that starts with the septa prefix but not septagon?
September. it uses the prefix 'Sept,' Latin for seven, as it was at one point the seventh month in the year. And Septagon is not a word in the English language. The correct name for a 7-sided polygon is "heptagon." It is derived from "hepta," the Greek word for "seven."
Is a septagon a parallelogram?
No because a septagon is the same as a heptagon which is a 7 sided polygon
7 sided figure?
Septagon
What is an 7 sided polygon?
Septagon
What the name for a 7 sided shape?
Septagon
What is the name of a sevan sided shape?
septagon
What is a 7 sided shape callled?
Septagon
What is the name of 7 sided polygon?
Septagon.
What is a seven sided shapoe called?
A septagon.
What is the word for a 7 sided polygon?
Septagon
What is a seven sided poloygon?
Heptagon or septagon
