Geometry Chapter 1 Vocab

Front

Two segments with equal length are called ___________ segment.

Back

congruent

Front

Angle between 90° and 180° is called a(n) _________ angle.

Back

obtuse

Front

Example that disproves a conjecture:

Back

counterexample

Front

Two angles with the same measure are called _____________ angles.

Back

congruent

Front

An angle measuring 180 degrees is a ___________ angle.

Back

straight

Front

Points on the same line are ___________ points.

Back

collinear

Front

Angle between 0° and 90° is an ________ angle.

Back

acute

Front

Two or more figures have points in common if they _________.

Back

intersect

Front

The endpoint of rays forming an angle is called its _________.

Back

vertex

Front

An unproven statement based on a pattern or observation.

Back

conjecture