The floor and the ceiling are each (17 x 11) = 187 square feet
Two walls are (17 x height) square feet.
The other two walls are (11 x height) square feet)
Total square feet of the inside of the room = 2 [ 187 + (28 x height) ] square feet.
1690 square feet
32.083333 ft2
200 square feet.
182 square feet.
201.6 square feet.
270 Square Feet.
78.12
56 SQUARE FEET
That is 64 square feet !
200 square feet
There is no way to convert linear feet to square feet because the unit 'linear feet' measures length but the unit 'square feet' measures area.
144 square feet.