Aileen is decorating for the grand opening of the town's new courthouse. The entrance is marked by two stone columns that each stand 4.5 meters tall and a semicircular arch above the columns. She has a hung a 2-meter-long welcome banner between the two columns, and she wants to line the entrance with a garland. image

If the garland will cover the inside edge of the entrance, from the bottom of the columns to the top of the arch, how many meters of garland will Aileen need?

A.
10.57 meters

B.
12.14 meters

C.
15.28 meters

D.
11 meters