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)
Answer & explanation
Correct answer: option 2
We know ,
Length of an arc = 2 × π × r × \(\frac{θ}{360º}\)
= 2 × \(\frac{22}{7}\) × 35 × \(\frac{ 36º }{360º}\)
= 2 × 22 × 5 × \(\frac{ 1 }{10}\)
= 22 cm