Understanding Angles and Circles

What is formed when two rays start from the same endpoint?

• A line

• A circle

• An angle

• A triangle

How many degrees are in a full circle?

• 270 degrees

• 90 degrees

• 360 degrees

• 180 degrees

What fraction of a circle does a 30-degree angle represent?

• 1/6

• 1/12

• 1/4

• 1/3

A 60-degree angle is what fraction of a full circle?

• 1/12

• 1/6

• 1/3

• 1/4

What is the fraction of a circle for a 90-degree angle?

• 1/6

• 1/2

• 1/3

• 1/4

How much of a circle does a 180-degree angle cover?

• 1/2

• 1/3

• 1/4

• 1/6

On a clock, what fraction of a circle is represented by the angle at 3 o'clock?

• 1/6

• 1/2

• 1/3

• 1/4

If the minute hand is at 15 minutes, what is the angle in degrees?

• 120 degrees

• 60 degrees

• 90 degrees

• 45 degrees

What is the degree measure of a quarter turn?

• 45 degrees

• 270 degrees

• 90 degrees

• 180 degrees

How do you find the fraction of a full turn for an angle?

• Divide the angle by 180

• Multiply the angle by 360

• Divide the angle by 360

• Multiply the angle by 180