state gov WBPSC Clerkship Mock Test 2023 - 24 Quantitative Aptitude Trigonometry Circular Measure of Angles
The length of a radius in a circle drawn by Arun is 7 cm, determine the circular value of an angle subtended by an arc of 5.5 cm length at the centre of that circle.
1
\(\frac{π}{6}\)
2
\(\frac{π}{3}\)
3
\(\frac{π}{4}\)
4
\(\frac{π}{2}\)