Circle Graphs and Central Angles

What percent of the circle is shaded blue?

• 25%

• 50%

• 75%

• 100%

What percent of the circle is shaded green?

• 25%

• 50%

• 75%

• 100%

What percent of the circle is shaded blue?

• 25%

• 50%

• 75%

• 100%

The sum of the angles in a circle is always...

• 90 degrees

• 180 degrees

• 360 degrees

• 100 degrees

Students were surveyed about their favorite sports to play in phys.ed. The results are represented in this circle graph. If 48 students were surveyed, how many chose soccer?

• 10

• 12

• 15

• 14

If the total was 200 how many people would be in red?

• 40

• 60

• 100

• 50

The percentages in a circle graph should equal 100%.

• True

• False

A ____ angle is an angle whose vertex is a the center of a circle.

• supplementary

• complimentary

• central

• obtuse

What is the part of the circle highlighted in red called?

• semi-circle arc

• major arc

• minor arc

• sector

Which is true of a minor arc?

• It forms half a circle.

• It forms a whole circle.

• It measures greater than 180 degrees. 

• It measures less than 180 degrees.