clock has a minute hand that is 20cm long and an hour hand that is12cm long.Calculate the distance between the tips of the hands at 2h,10h?
- oubaasLv 78 months ago
distance d is the same and equal to :
d = √ 20^2+12^2-2*20*12*cos 60° = √ 400+144-480*0.5 = 17.44 cm
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