Mathematics
Grade 8
15 min
Circle graphs and central angles
Circle graphs and central angles
Tutorial Preview
1
A circle graph shows 25% for 'Comedy' movies. Find the central angle.
2
A sector for 'Rock' music has a central angle of 72°. What percentage is this?
3
In a class of 30 students, 6 chose green. Find the central angle for 'Green'.
Sample Practice Questions
Easy
A circle graph shows 50% for 'Yes' votes. What is the central angle for 'Yes'?
0.90°
1.180°
2.270°
3.360°
Easy
A sector has a central angle of 90°. What percentage of the circle is this?
0.10%
1.20%
2.25%
3.50%
Easy
Of 20 students, 5 prefer pizza. In a circle graph, what is the angle for pizza?
0.45°
1.60°
2.90°
3.120°
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What grade level is "Circle graphs and central angles"?
Circle graphs and central angles is a Grade 8 Mathematics lesson on ExcelOS.
What will I learn in Circle graphs and central angles?
Circle graphs and central angles
Is "Circle graphs and central angles" free to practice?
Yes. You can read the tutorial preview for free, and signing up for a free ExcelOS account unlocks the full tutorial and all practice questions with instant feedback.
How many practice questions are included with Circle graphs and central angles?
This lesson includes 25 practice questions across multiple difficulty levels, each with instant feedback and explanations.