Clocks

What distance will describe the tip of minute hand 6 cm long for 20 minutes when we know the starting position with finally enclose hands each other 120°?

Result

x =  12.57 cm

Solution:

x=2π⋅ 6⋅ (20/60)=12.57  cm x=2 \pi \cdot \ 6 \cdot \ (20/60) = 12.57 \ \text{ cm }

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