If the given dimensions are in feet then 23 times 20 = 460 square feet
how menu sq yards in 15 ft by 23 ft
20' x 30' = 600 600 sq' = 4.166666... sq ft
23 x 20 = 460 sq. ft.
1 sq yard = 9 sq ft. 12 ft x 20 ft = 240 sq ft. 240 sq ft = 26 2/3 sq yards.
20 ft * 28 ft = 560 sq ft = 52.03 sq metres.
30 ft * 20 ft = 30*20 sq ft = 600 sq ft
310.5 sq ft
And 23 ft x 23 ft room is 529 sq ft.
23 ft * 9 ft = 207 sq ft = 19.23 sq metres.
1 acre = 43560 sq ft 20 acres = 871200 sq ft
20 ft x 20 ft = 400 sq. ft.
4000 sq ft divide by 20 ft = 200