Bit of a strange question, if you mean How did it start, Euclid is often called the "father of geometry".
Go to Wikipedia.org, "The World's Encyclopedia" and search
geometry
they will have a history section.
I dont understand, i need help
There are no geometry terms that start with the letter J. Geometry deals with the spatial relationships of objects.
Presumably at the birth of the Universe.
Geometry
eicosohedron
altitude
Tangent.
Presumably at the birth of the Universe
There are none.
right.
Starting from around 3rd-4th grade, you start to learn really basic geometry. But around 8th or 9th grade, you actually start to learn more advanced geometry that uses theorems and postulates and proofs.
300 bc by euclid a greek mathmatician.