What angle in radians is subtended by an arc 1.30 {rm m} in length on the circumference of a circle of radius 2.20 {rm m}? and What is this angle in degrees?
An arc 17.0 {rm cm} in length on the circumference of a circle subtends an angle of 139{rm ^circ}. What is the radius of the circle?
The angle between two radii of a circle with radius 1.50 {rm m} is 0.600 {rm rad}. What length of arc is intercepted on the circumference of the circle by the two radii?