169 sq. ft.
78 square feet
13 x 4 = 52 square feet
390 = 13 x 30
143sq ft
132.7 square feet.
286 sq. ft.
If the room is 14 by 13 feet. Then we multiply those together and that is the square feet. So this is 182 square feet.
13 ft x 42 ft = 546 sq ft
In order to get the square footage you need to take 13' times 15' and you will get the square footage
The square footage of a rectangular area is the product of its width and length. The area of a 5 foot by 12 foot rectangle is 60 square feet.
121 sq. Foot
15 feet