Question

By what angle measure does the hour hand of a clock turn through, when it goes from 6 to 9? A) 90° B) 180° C) 360° D) none of these​

Answer 1

Answer:

90°

Step-by-step explanation:

Nothing to explain...

Answer 2

Given : Hour hand goes from 6 to 9

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 6 to 9

Hence Number of hours = 9 - 6 = 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, when it goes from 6 to 9

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