There are 12 inches in a foot...
5ft. 6in.
42ft 6in
18 feet 6 inches=222 inches
no you idiot its 5ft 6in
18.11 inches - or a little over 1ft 6in
30 inches !
1 foot = 12 inches 18 inches = 1 1/2 feet or 1 ft. 6in
2 square feet or 288 square inches.
54
5 feet, 7 inches.
7 feet 6 inches is 7.5 feet Hence Area = 7.5 x 7 = 52.5 square feet