The answer will depend on the units used for 72. If 72 feet, then 2448 square feet.
6 feet wide by 10 feet long is 60 square feet
16 feet long by 8 feet wide is 11.89 square meters.
216 square feet
1000 Square Feet
It is 132 square feet.
140 square feet
100 square feet
20 square feet.
1690 square feet
45
650.321 square metres.
2.67 square feet.