Topic A: Mission 4 Construct Lines, Angles, and Shapes

Front

What is a right angle?

Back

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

Front

What is an acute angle?

Back

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

Front

What is an obtuse angle?

Back

An obtuse angle is an angle that measures more than 90 degrees but less than 180 degrees.

Front

What is a straight angle?

Back

A straight angle is an angle that measures exactly 180 degrees.

Front

What is a ray?

Back

A ray is a figure that has one endpoint and continues infinitely in one direction.

Front

What is a line segment?

Back

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

Front

What is a line?

Back

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

Front

What type of angle is formed by the letter L?

Back

The letter L forms a right angle.

Front

How many degrees are in a right angle?

Back

A right angle has 90 degrees.

Front

What type of angle is ∠CBD if it is more than 90 degrees?

Back

∠CBD is an obtuse angle.