Respuesta :

carlosego
By definition, the arc length is given by:
 S = r * θ
 Where,
 r: radio
 θ: central angle
 Clearing θ we have:
 θ = S / r
 Substituting the values we have:
 θ = 6.3 / 3.5
 θ = 1.8 radians
 Answer:
 the radian measure of θ is:
 θ = 1.8 radians