Circle Graphs Angles

The sectors in a circle graph are labeled: Dogs 40%, Cats - 30%, Birds - 20%, Fish - 10%.

What is the measure of the angle for the Birds sector?

• 40 degrees

• 360 degrees

• 144 degrees

• 4 degrees

To calculate the percentage for each sector of a circle graph, you should...

• Use the tally sum

• Divide the tally by the total

• Multiply by 360

The circle graph shown shows the results of a survey about favorite pizza toppings for people living in the United States. If this survey included 2,500 people, how many people said cheese is their favorite topping? (hint: multiply the percent by the number of people!!)

• 100 people

• 625 people

• 10,000 people

• 1,250 people

What percent of people chose rugby?

• 25%

• 10%

• 65%

• 40%

If a pie piece in a circle graph represented 25% of the entire graph, which decimal and degree would represent the same amount?

• 25 degrees

• 90 degrees

• 0.25

• 0.90

To calculate the degrees of an angle for the sector of a circle graph you must ____________.

• calculate a decimal value and multiply by 100

• calculate a decimal value and multiply by 360

• calculate a percent and multiply by 360

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