What are some Geometry terms that start with the letter u?

Undecagon

- an eleven-sided polygon

Union of two sets A and B

- the set of elements in A, B, or both; written AUB

Unit cube

- unit of measuring volume

Universal statement

- a conditional that uses the Words 'all' or 'everything'

Universe

- in a Venn diagram, everything that is outside the sets

Okay hope this helps

This is what I used:http://library.thinkquest.org/2647/geometry/glossary.htm#b