What is the length of the arc of a circle whose radius is 35 cm and arc subtends an angle of 36° at the centre of the circle?
(Take π = 22/7)
Explanation:
Length of an arc = θ/360° × 2πr
= 36/360° × 2 × 22/7 × 35
= 1/10° × 2 × 22 × 5
= 22
Hence, option (b).