Lines and Angles 12/12 4A

Front

What is a line segment?

Back

A line segment is a part of a line that has two endpoints.

Front

What is a ray?

Back

A ray is a part of a line that starts at one point and extends infinitely in one direction.

Front

How many degrees are in a circle?

Back

A circle measures 360 degrees.

Front

What is a line?

Back

A line is a straight path that extends infinitely in both directions.

Front

What is an obtuse angle?

Back

An obtuse angle is an angle that measures more than 90 degrees.

Front

What is an acute angle?

Back

An acute angle is an angle that measures less than 90 degrees.

Front

What is a right angle?

Back

A right angle is an angle that measures exactly 90 degrees.

Front

What is the difference between a line and a line segment?

Back

A line extends infinitely in both directions, while a line segment has two endpoints.

Front

What is the measure of a straight angle?

Back

A straight angle measures 180 degrees.

Front

What do we call an angle that measures exactly 90 degrees?

Back

A right angle.