from what word deos the word geometry was derive from
the words geometry comes from the greek word geometria.
We use words we know to define new terms in geometry. The words point, line and plane have no other words in geometry to describe them They are the building blocks.
Geometry
parallelogramperimeterpentagonprismproofprotractorPythagorean Theorem
eicosohedron
right.
Tangent.
Whole Number
Using Math and words.
point , line , and plane
vector, vertex, vertical
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.