The answer depends on the units used for 16 and 20. It should be blindingly obvious to anybody that 16 ft x 20 ft and 16 cm x 20 cm, for example, will give very different answers.
There are 144 square inches in a square foot. This calculates out to be 5,040 square inches.
864 square inches.
3 inches
32,400 square inches.
2
16x20
3,444.45133 square feet.
The answer depends on the units used for 16 and 20. It should be blindingly obvious to anybody that 16 ft x 20 ft and 16 cm x 20 cm, for example, will give very different answers.
1,296 square inches.
There are 144 square inches in a square foot. This calculates out to be 5,040 square inches.
A square of 17.5 inches by 17.5 inches is 2.13 square feet.
There are 144 square inches in a square foot. The answer would be 11,232 square inches.
There are 144 square inches in a square foot. Which means there are 72 square inches.
10,656 square inches.
21,600 square inches.
324 square inches