It is 20 times 62 = 1240 square inches
(3.10 inch) squared = 9.61 square inches = 62 square centimeters (3.10 square inches) = 20 square centimeters. (both very slightly rounded)
If you mean how many square feet are in a rectangle 62 inches by 40 inches, then there would be 17.22 square feet.
You can not convert that as 20 inches are LENGTH and Square Feet is AREA If you meant 20 square inches however then... 1 square foot is 12 * 12 or 144 square inches. so 20 square inches would be 20/144 or 0.139 square feet
Each side is 20 inches. 20 x 20 = 400 square inches.
77 in * 62 in = 4774 sq inches = 4774/144 = 33.153 sq ft
One square inch is equal to 2.542 = 6.4516 square centimetres. Therefore, 20 square inches is equal to 20 x 6.4516 = 129.032 square centimetres.
To determine the dimensions of a box that totals 62 linear inches, you can consider the sum of the lengths of all three dimensions (length, width, and height). For example, if the length is 20 inches, the width could be 20 inches and the height would then be 22 inches, since 20 + 20 + 22 = 62. There are various combinations of dimensions that can add up to 62 linear inches, depending on how you choose to allocate the measurements.
144 square inches = 1 square foot20 square inches = 20/144 = 0.1389 square foot (rounded)
One square foot is 144 square inches. So 20 square inches is much smaller.
If the area of a circle is 20 square inches the diameter is: 5.046 inches.
Area rectangle: 20 times 40 = 800 square inches
20/12*20/12 = 25/9 square feet