Question

Through what angle measure does the hour hand of a clock turn through when it goes from 5 to 8
a) 90 degree
b)180 degree
c) 360 degree
d) none of the above
​

Answer 1

Answer:

90 degree is the correct answer

Answer 2

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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