Protractor Proficiency Quiz

Which of the following angles is an acute angle?

What is the measure of a right angle?

An obtuse angle is greater than:

Which of the following angles is a straight angle?

• An acute angle

• A right angle

• An obtuse angle

• A straight angle

How many degrees are in an angle that is one-quarter of a full rotation?

• The right side of the protractor

• The left side of the protractor

• The center of the protractor

• Any side, as long as the measurement is correct

Which of the following is NOT a step in measuring an angle with a protractor?

• Place the midpoint of the protractor at the vertex of the angle

• Align one arm of the angle with the zero line of the protractor

• Read the measurement where the second arm of the angle crosses the protractor

• Guess the measurement of the angle

• Drawing a straight line

• Guessing the angle and drawing it freehand

• Using a ruler to measure the length of the arms

• An acute angle

• A right angle

• An obtuse angle

• A straight angle