A worker noticed that the hour hand on the factory clock had moved by 225 degrees during her stay at the factory. For how long did she stay in the factory ?
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3
since its a clock therefore we know that every numbering in the clock consist of 30°( 360°/12=30°)
now A/Q
for 225°,
225°/30°=7.5
7and half hour=7:30.
hope it helps you
Answered by
1
She stayed for 7.5 hrs in factory if factory clock had moved by 225 ° during her stay
Step-by-step explanation:
Hour clock moves 360° in 12 hrs
=> in 1° movement of hour clock time passed = 12/360 hrs
= 1/30 hrs
in 225° movement of hour clock time has passed = 225/30 hrs
= 15/2 hrs
= 7.5 hrs
She stayed for 7.5 hrs in factory if factory clock had moved by 225 ° during her stay
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