Clock angle at 3:15

What is the angle (in degrees) between the hour and minute hands of an analog clock at exactly $3{:}15$ ?

Show hints (2)+

The minute hand at :15 is exactly on the $3$ .
The hour hand moves $30°$ /hour, so in $15$ min it drifts $30/4 = 7.5°$ past the $3$ .

Answer

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7.5

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