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Algebra 21 Online
OpenStudy (anonymous):

Clock. What is the measure of the angle (in degrees) that the minute hand traces in 20 minutes?

OpenStudy (anonymous):

Ok, for minute hand: let 12 point as origin, you have : |dw:1404614695870:dw|

OpenStudy (anonymous):

However, when the minute hand moves, the hour hand moves also. Now, hour hand calculating

OpenStudy (anonymous):

what is the solution for this?

OpenStudy (anonymous):

|dw:1404614915726:dw|

OpenStudy (anonymous):

|dw:1404615117185:dw|

OpenStudy (anonymous):

combine the 2, you have : |dw:1404615164576:dw|

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