You are installing crown molding around the perimeter of a dining room the room is rectangular and is 12 feet long and 10 feet wide crown molding is sold in 78 inch segments how many segments of crown molding should be bought to complete the job? Remember that you are using two different units of measure so you must convert feet to inches to solve this problem 1 foot equals 12 inches also remember that you cannot buy portions of segment of crown mold so you will need to round up