The answer depends on the units used for 12 and 22. Feet, yards, metres? Who knows?
250 square foot
28
5
7.25 square metres.
165 square feet
250 square foot
5
28
60 square feet
108 square feet
165 square feet
130 square feet
141.75
13.93 square meters.
9.2 square meters.
7.25 square metres.
A room measuring 20' x 20' = 400 square feet