Point C is the center of the circle above. What fraction of the area of the circle is the area of the shaded region?
Correct answer: C. 5/18
- A. 2/18
- B. 3/18
- C. 5/18
- D. 7/18
Explanation
The correct answer is 5 /18. There are 360° in a circle, and it is shown that the central angle of the shaded region is 100°. Therefore, the area of the shaded region can be represented as a fraction of the area of the entire circle, 100 / 360, which can be reduced to 5 /18 . Either 5/18, .277, or .288 can be gridded as the correct answer.
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