Math Problem Statement
Solution
The question asks to find the angle between the hour hand and the minute hand of a clock when the time is 3:25.
Step-by-step solution:
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Minute hand angle: The minute hand moves 360° in 60 minutes, so it moves 6° per minute. At 25 minutes, the minute hand will be at: from the 12 o'clock position.
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Hour hand angle: The hour hand moves 360° in 12 hours, or 30° per hour (since 360° / 12 = 30°). At exactly 3:00, the hour hand would be at: But at 3:25, the hour hand has moved a bit further. It moves 0.5° per minute (since 30° in 60 minutes), so in 25 minutes, it will move: Therefore, at 3:25, the hour hand will be at:
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Angle between the hands: Now, the angle between the hour hand (102.5°) and the minute hand (150°) is:
Thus, the angle between the hour and minute hand at 3:25 is 47.5 degrees.
Would you like further details or have any questions?
Here are five related questions for practice:
- What is the angle between the hands at 4:15?
- Find the angle at 7:30.
- What is the smaller angle between the hands at 6:00?
- At what time between 2:00 and 3:00 will the angle between the hands be exactly 90°?
- How does the movement of the hour hand affect the calculation?
Tip: Always remember that the clock's hour hand moves gradually between hour marks as the minutes pass!
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Math Problem Analysis
Mathematical Concepts
Geometry
Trigonometry
Formulas
Degree movement per minute for minute hand = 6 degrees
Degree movement per hour for hour hand = 30 degrees
Degree movement per minute for hour hand = 0.5 degrees
Theorems
Angle calculation between clock hands
Suitable Grade Level
Grades 7-9