vector, vertex, vertical
right.
x axsis
volume, vertical angles
the words geometry comes from the greek word geometria.
Presumably at the birth of the Universe.
Tangent.
Geometry
eicosohedron
right.
Since this sentence is lacking a predicate, it is virtually impossible to answer. "Geometry words that start with r" is a legitimate noun phrase, but is so incomplete that it cannot be answered.
Whole Number
Words that start with the letter V are, valley, violin, violet and violence. Virus, viola, vengeance and vast all start with V.
diameter, diallation
I know one is X-Axis
x axsis
Wedge and Whole number :)
Three letter words that start with V are:vanvatvetvievim