324 sq. ft.
78 square feet
The surface area of a rectangle that is 11 feet by 16 feet would be 11 times 16, or 176 square feet.
15 feet
299 square feet
900 square feet
70 square foot.
Approx 755 square feet.
379.94 square feet
132.7 square feet.
73.5 square feet.
11*10 = 110 square feet
40 square feet. Just multiply length by width - the answer is the square footage.