What is the angle between the two hands of a clock at 4:20? a.0° b.5° c.10° d.20°
Question
What is the angle between the two hands of a clock at 4:20? a.0° b.5° c.10° d.20°
Solution 1
To find the angle between the
Solution 2
To find the angle between the two hands of a clock at 4:20, we need to determine the positions of the hour and minute hands.
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The hour hand:
- At 4:00, the hour hand points directly at the 4 on the clock face.
- Since 20 minutes have passed since 4:00, the hour hand will have moved a fraction of the distance between the 4 and the 5.
- To calculate this fraction, we divide 20 by 60 (the total number of minutes in an hour), which gives us 1/3.
- Therefore, the hour hand will be 1/3 of the way between the 4 and the 5.
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The minute hand:
- At 20 minutes past the hour, the minute hand will be pointing directly at the 4 on the clock face.
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Calculating the angle:
- The angle between the hour and minute hands can be found by subtracting the position of the hour hand from the position of the minute hand.
- Since the hour hand is 1/3 of the way between the 4 and the 5, and the minute hand is pointing directly at the 4, we subtract 1/3 from 4.
- This gives us 4 - 1/3 = 11/3.
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Converting the fraction to degrees:
- To convert the fraction 11/3 to degrees, we multiply it by 30 (since there are 30 degrees between each hour mark on a clock face).
- 11/3 * 30 = 110/3 ≈ 36.67°.
Therefore, the angle between the two hands of a clock at 4:20 is approximately 36.67°.
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