A crafts worker is knitting a circular rug that has a diameter of 84 inches. He would like to put trim around the outer edge of the rug. If 1 inch =2.54 centimeters, how many centimeters of trim would he need? Use π =3.14 and round to the nearest centimeter.
a. 670 centimeters
b. 335 centimeters
c. 264 centimeters
d. 104 centimeters
