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°?

Correct result:

x =  12.57 cm

Solution:

r=6 cm o=2π r=2 3.1416 637.6991 cm t1=20 min α=120   q1=t160=2060=130.3333 q2=α360=120360=130.3333 q1=q2  x=o q1=37.6991 0.3333=12.57 cm



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