Lines and Angles Review Quiz

A spinner is rotated and makes 1/2 a complete rotation. How many one-degree turns does it make?

• 90

• 180

• 270

• 360

The lead horse in a carousel at a local fair makes 1/3 of a full rotation per minute. What is the measure of the angle?

• 120°

• 150°

• 180°

• 240°

Which of these represents an angle turned through 90 one degree angles?

• 
• 
• 
• 

Which of these most likely represents an angle turned through 60 one degree angles?

• 
• 
• 
• 

What is the measure of the angle x if angle DAC is 70°?

• 20°

• 30°

• 70°

• 90°

What statement best describes an angle?

• An angle is the measure of a turn.

• An angle is the meeting point of two rays.

• An angle is the measure of the length of a line.

• An angle is the measure of distance between two points.

Keith placed a protractor over ∠ABC to measure it, as shown below. What is the measure of ∠ABC?

• 40°

• 100°

• 140°

• 180°

What is the value of x in the diagram?

• 40 degrees

• 60 degrees

• 80 degrees

• 100 degrees

What is the measure of the angle x?

• 30°

• 40°

• 50°

• 60°

Of what are ( JN ) and ( ML ) both examples? Refer to the diagram below.

• rays

• points

• line segments