Unit 5A - - 5.1.1 Vocab Practice

Front

Acute Angle:

Back

Less than 90 degrees.

Front

Obtuse Angle:

Back

More than 90 degrees.

Front

A Right Angle has:

Back

Exactly 90 degrees.

Front

A Straight Angle has:

Back

180 degrees.

Front

Arrows point to:

Back

Endpoints

Front

2 endpoints & all points in between.

Back

Line Segment

Front

Part of a line with one endpoint, extending in one direction.

Back

ray

Front

Part of a line with 2 endpoints

Back

line segment

Front

A straight path that continues in both directions.

Back

line

Front

Term for a dot marking a location in space?

Back

point