Example 9: Finding a missing sector
Last Updated On: Fri Aug 28 2026Time spent on a 360-degree daily schedule
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Question
The first three activities have angles of 120, 90, and 60 degrees. What percentage of the day is spent on other activities?
Solution
- Known angles total 120 + 90 + 60 = 270 degrees.
- Remaining angle = 360 - 270 = 90 degrees.
- Percentage = 90 / 360 x 100 = 25%.
- Other activities account for 25% of the day.