5th grade geometry

Front

What is the measurement of a straight angle?

Back

180 degrees

Front

Name this angle: An angle greater than 90 degrees but less than 180 degrees.

Back

Obtuse angle

Front

What does the image show? (A figure with two endpoints and a definite length)

Back

Line segment

Front

Which could be the measurement of an acute angle? (An angle less than 90 degrees)

Back

35 degrees

Front

What does the image show? (A figure that extends infinitely in both directions)

Back

Line

Front

What is an angle?

Back

An angle is formed by two rays that share a common endpoint called the vertex.

Front

What is a right angle?

Back

A right angle measures exactly 90 degrees.

Front

What is an acute angle?

Back

An acute angle measures less than 90 degrees.

Front

What is an obtuse angle?

Back

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

Front

What are parallel lines?

Back

Parallel lines are lines in a plane that never meet and are always the same distance apart.