Geometry Vocab Ch. 1

Front

Educated guess based on information.

Back

Conjecture

Front

Term for splitting a figure into 2 congruent halves?

Back

Bisect

Front

Difference between theorem and postulate?

Back

Theorems are proven true; postulates are accepted as true.

Front

1 endpoint, extends forever in 1 direction?

Back

ray

Front

Angle < 90°

Back

Acute

Front

Type of angle that forms a line:

Back

straight

Front

True about noncollinear points?

Back

Not all points lie on the same line.

Front

Midpoint of a line segment:

Back

splits it into 2 equal halves.

Front

A plane has 2 dimensions.

Back

It has 2 dimensions.

Front

True about opposite rays:

Back

They share the same endpoint.