Circle Graphs Angles

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

• 60 degrees

• 90 degrees

• 72 degrees

• 45 degrees

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%

Out of the 50 people surveyed, 11 said that their favorite flavor of ice cream is black raspberry. How many degrees of the circle graph is this pie piece?

• 11 degrees

• 22 degrees

• 79.2 degrees

• 39.6 degrees

What is the measure of arc AB?

• 44

• 22

• 88

• 55

The image shows a circle centered at point O. Angle AOB measures 50 degrees. What is the measure of angle ACB? (a)  

• 25 degrees

• 40 degrees

• 50 degrees

• 100 degrees

Solve for x.

Find the m<MLN.

• 39°

• 32°

• 48°

• 34°