Taper: not to exceed distance in feet = to posted speed limit. Tangent: distance = double posted speed limit. How should the distances for taper and tangent be determined? A) Taper distance = half the posted speed limit; Tangent distance = equal to the posted speed limit. B) Taper distance = equal to the posted speed limit; Tangent distance = double the posted speed limit. C) Taper distance = equal to double the posted speed limit; Tangent distance = equal to half the posted speed limit. D) Taper distance = equal to half the posted speed limit; Tangent distance = equal to double the posted speed limit.