Calculate, correct to 2 significant figures, the length of the arc of a circle of radius 3.5cm which subtends an angle of 75° at the centre of the circle. [Take π = 22/7].

A. 2.3cm
B. 4.6cm
C. 8cm
D. 16cm
E. 110cm

Correct Answer: Option B

B. 4.6cm