Protractor Practice

Front

What is a vertex?

Back

A point where two or more lines meet, forming a corner. It is used to name an angle.

Front

What tool is used to measure angles?

Back

A protractor.

Front

What is the measure of this angle? (Image of an angle measuring 54 degrees)

Back

54 degrees.

Front

What is the measure of this angle? (Image of an angle measuring 11 degrees)

Back

11 degrees.

Front

What is the measure of this angle? (Image of an angle measuring 165 degrees)

Back

165 degrees.

Front

What are parallel lines?

Back

Lines that never meet and are always the same distance apart.

Front

What are vertical lines?

Back

Lines that go straight up and down.

Front

What is a transversal?

Back

A line that crosses two or more other lines.

Front

How do you read a protractor?

Back

Align the baseline of the protractor with one side of the angle and read the measurement where the other side intersects the protractor.

Front

What is an acute angle?

Back

An angle that measures less than 90 degrees.