To find how many square feet are in an area, multiply the length time the width. 20 x 90 is 180 square feet.
647
90 x 90 = 8100 square feet
90 square feet. Multiply length by width - the result is the area in square feet.
90 x 130 = 11,700 square feet.
150 x 90 = 13,500 square feet
There are: 90*49.5 = 4455 square feet
3 x 30 = 90 square feet (90 ft2).
100-ft x 90-ft = 9,000 square feet
90 square feet
There's about 969 square feet in 90 square meters
90 * 330 = 29700 sq ft
66.875 square feet.