Express the angles in radian measure:`240^0`

Express the angles in radian measure: 520^0

Express the angles in radian measure: 25^0

Express the angles in radian measure: 105^0

Express the angles in radian measure: -56^0

Express the angles in radian measure: -47^0 30\'

Express the angles in radian measure: 4^0 20\'

Express the angles in radian measure: 42^0 57\' 16\'\'

Express the angles in radian measure: 7^0 30\'

The angles of a quadrilateral are in A.P. and the greatest angle is 120^@ . Express the angles in radians.

Express the following angles in radians (i) 1, (ii) 20^(@) (iii) 135^(@)