Lines, Line Segments, Rays and Angles

Front

What is a straight line's measure?

Back

180 degrees

Front

What do you call an angle that is more than 90 degrees?

Back

Obtuse

Front

What is the name of a figure that has two rays with a common endpoint?

Back

Angle

Front

What do you call a part of a line that has two endpoints?

Back

Line Segment

Front

What do you call a line that never intersects with another line?

Back

Parallel Lines

Front

What is the measure of a right angle?

Back

90 degrees

Front

What do you call a line that intersects another line at a right angle?

Back

Perpendicular Lines

Front

What is the term for an angle that is less than 90 degrees?

Back

Acute

Front

What is a ray?

Back

A part of a line that has one endpoint and extends infinitely in one direction.

Front

How many degrees are in a full circle?

Back

360 degrees