The minute hand of a watch is 1.5cm long.How far does its tip move in 40 minutes ?
A6.28 cm
B4.71 cm
C9.42 cm
D3.14 cm
A6.28 cm
B4.71 cm
C9.42 cm
D3.14 cm
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In the adjoining figure line l is parallel to m. What is the value of 2x+y ?