how do you convert 1.25 into degrees

Two cities, A and B, are 5000 miles apart. The radius of the Earth is approximately 4000 miles. Express angle 0 in radians and in degrees. 4000 miles Express angle 0 in radians. 0 = 1.25 radians (Type an integer or a decimal.) Express angle 0 in degrees. (Round to the nearest whole number as needed.)