Through what angle measure does the hour hand of a clock turn through, when it goes from 5 to 8 ?
90°
180°
360°
none of these
it urgent
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Through what angle measure does the hour hand of a clock turn through, when it goes from 5 to 8 ?
90°
180°
360°
none of these
it urgent
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Answer:
the answer is 90°
As, each hour hand has 30° ...
because, the angle of a circle is 360° and there are 12 hand so, 360°/12=30°....
So, 30°×3=90°....
Hope it is helpful for you...
Thank you....
Given : Hour hand goes from 5 to 8
To Find : Through what angle measure does the hour hand of a clock turn
Solution:
Hour hand turn 360° in 12 hours
Hence Hour hand moves in 1 hour = 360°/12 = 30°
Hour hand goes from 5 to 8
Hence Number of hours = 8 - 5 = 3
Hour hand moves in 1 hour = 30°
=> Hour hand moves in 3 hours = 3 * 30°
=> Hour hand moves in 3 hours = 90°
Through 90° angle measure the hour hand of a clock turn through, when it goes from 5 to 8
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