kevinUsa Posted February 16, 2024 Report Posted February 16, 2024 To find the angle between the hour-hand and minute-hand of a clock at 3:15, we can use the following formula: Angle = |(30*H - (11/2)*M)| Where: H is the hour M is the minutes At 3:15, H = 3 M = 15 Plugging these values into the formula: Angle = |(30*3 - (11/2)*15)| = |(90 - 82.5)| = |7.5| So, the angle between the hour-hand and minute-hand of a clock at 3:15 is 7.5 degrees. Quote
kevinUsa Posted February 16, 2024 Author Report Posted February 16, 2024 Explanation: Hour Hand Angle: For each hour, the hour hand moves 360/12 = 30 degrees. At 3:15, it's a quarter past 3, so it has moved 1/4 of the distance between the 3 and the 4. Therefore, the angle moved by the hour hand is (1/4) * 30 degrees = 7.5 degrees. Minute Hand Angle: For each minute, the minute hand covers 360/60 = 6 degrees. At 3:15, the minute hand is at the 3 on the clock face, meaning it has moved 15 * 6 = 90 degrees from the 12. Difference: To find the angle between the two hands, we subtract the smaller angle (hour hand) from the larger angle (minute hand): 90 degrees - 7.5 degrees = 82.5 degrees. Therefore, the angle between the hour and minute hands of a clock at 3:15 is 82.5 degrees. 1 Quote
kevinUsa Posted February 16, 2024 Author Report Posted February 16, 2024 chat gpt vs bard... the answer is 7.5 i belive that google ai is not trained well Quote
Vaaaampire Posted February 16, 2024 Report Posted February 16, 2024 1 hour ago, kevinUsa said: To find the angle between the hour-hand and minute-hand of a clock at 3:15, we can use the following formula: Angle = |(30*H - (11/2)*M)| Where: H is the hour M is the minutes At 3:15, H = 3 M = 15 Plugging these values into the formula: Angle = |(30*3 - (11/2)*15)| = |(90 - 82.5)| = |7.5| So, the angle between the hour-hand and minute-hand of a clock at 3:15 is 7.5 degrees. Its actually 97.5(hour angle) - 90 = 7.5. answer is correct but number 82.5 is wrong Quote
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