An Object Is Moving in a Circular Path of Radius $4.00 \mathrm{~m}$

An object is moving in a circular path of radius $4.00 \mathrm{~m}$ . If the object moves through an angle of 1.2 radians, then the tangential distance traveled by the object is

A) $4.8 \mathrm{~m}$ .
B) $3.8 \mathrm{~m}$ .
C) $2.8 \mathrm{~m}$ .
D) $4.3 \mathrm{~m}$ .
E) $3.2 \mathrm{~m}$ .