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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

Answer:

A. 6.28 cm

Read Explanation:

r = 1.5cm 𝚹=240° = ∏/180 x 240 = 4∏/3 l=r𝚹 = 1.5 x 4∏/3 2∏ = 2x3.14 = 6.28cm


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