trigonometry

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can you tell me how to actually do this.
find thenumebr of radians through which the hour hand of a clock turns in 5 hours.

i don't know what i did, this is what i wrote:
360degrees=1 hour
1800 degrees=5 hours
1800(pi/180)
somehow i got 10pi which is apparantly wrong.

• trigonometry -

you are making it harder than it has to be

5 hours is 5/12 of "once around"

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