If a chord of a circle subtends an angle of 30° at the circumference of the circle, then what is the ratio of the radius of the circle and the length of the chord respectively?
The Ryotwari system was introduced by Sir Thomas Munro and Captain Alexander Read in 1820.This system was in operation for nearly 30 years and had many features of revenue system of the Mughals, Under the Ryotwari System every registered holder of land is recognised as its proprietor and pays direct to Government