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Question

Find the angle measure between the hands of the clock in each figure :
1867494_c1f5e21f3cba4695b876033cd5cdbcb5.png

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Solution

We know that when the hours hands complete one full rotation it completes 12 hours or 360

Hence, we can say that,

12hr=360

1hr=30

(a) Since from 9 to 12, there are 3 hours. Thus, to complete these 3 hours, hour hand has to move a particular angle which will give us the angle between the hour hand and the minute hand.

3hr=3×30=90

Thus, angle between the hands is 90

(b) There is 1 hour between the hands of the clock. Therefore, the required angles is,

1hr=30

(c) There are 6 hours between the hands of the clock. Therefore, the required angles is,

6hr=6×30=180



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