400
20 square feet.
Area is calculated by multiplying width x length. Thus the square feet in an area 20 feet wide by 24 feet long is 20 x 24 = 480 square feet.
The area of 12 foot times 20 foot are 240 square feet.
To find how many square feet are in an area, multiply the length time the width. 20 x 90 is 180 square feet.
340 square feet. Multiply length by width - the result is the area in square feet.
1000 Square Feet
Easy. Just multiply 20 x 16 = 320 square feet.
Length times width will give you area. So this comes out to 400 square feet.
A meaningless question. 20 cubic feet is a volume, not an area.
30-ft x 20-ft = 600 square feet
224 square feet. To calculate square feet simply multiply length by width - the result is the area in square feet.
A square with a side length of 5 feet (20/4) has an area of 25 square feet.