Using arc length formula (θ / 360) x 2 x π x r gives: (i) (60/360) x 2 x (22/7) x 3.5 = 11/3 = 3.67 cm, and (ii) (120/360) x 2 x (22/7) x 6.3 = 13.2 m.
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Using arc length formula (θ / 360) x 2 x π x r gives: (i) (60/360) x 2 x (22/7) x 3.5 = 11/3 = 3.67 cm, and (ii) (120/360) x 2 x (22/7) x 6.3 = 13.2 m.