Describes 55223

The minute hand is 30 cm long. The hour hand is half as short as the minute hand. How big a track describes its endpoint in a week.

Correct answer:

x =  158.3363 m

Step-by-step explanation:

m=30 cm m=30:100  m=0.3 m h=mm/2=0.30.3/2=203=0.15 m  o=2π h=2 3.1416 0.150.9425 m  n=7 24=168  x=n o=168 0.9425=158.3363 m

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