Circle Graphs and Central Angles

Calculate the central angle for a sector representing 20% of a circle graph.

• 60 degrees

• 90 degrees

• 72 degrees

• 45 degrees

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

What is the measure of the central angle in a circle graph representing 45% of the total data.

• 180 degrees

• 162 degrees

• 90 degrees

• 45 degrees

Find the percentage represented by a sector with a central angle of 90 degrees in a circle graph.

• 50%

• 90%

• 30%

• 25%

Compare the central angles of two sectors in a circle graph: Sector A - 120 degrees, Sector B - 90 degrees.

• Sector A has a central angle of 180 degrees.

• Sector A has a larger central angle than Sector B.

• Sector A and Sector B have equal central angles.

• Sector A has a smaller central angle than Sector B.

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

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 team scored 50 points. How many points did Kendrick score?

• 12 points
• 20 points
• 10 points
• 72 points

Tags

CCSS.6.RP.A.3C

There are 200 vegetable plants in a garden.  How many of the vegetable plants are green beans?

• 16
• 24
• 28
• 32

Tags

CCSS.6.RP.A.3C

According to this circle graph, what is the least popular flavor of Jolly Rancher?

• Blue Rasberry
• Watermelon
• Grape
• Apple

If there are 300 seventh graders, how many students prefer choir?

• 96
• 24
• 75
• 42

Tags

CCSS.6.RP.A.3C