Question

What fraction of revolution does the hour hand of a clock turn through when it goes from
(a)9 to 6 (b) 3 to 6 (c) 5 to 8 (d) 2 to 11 (e)8 to 11 ​

Answer 1

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$\alpha = \: 30h \: - \: \frac{11}{2} m$

alpha is the angle between the hands of the clock

h is the number of hours

m is the number of minutes.