Note that "11 inches squared" means 11 x 11 or 121 square inches. 11 square inches would be 70.97 square centimeters (1 square inch = 6.4516 square centimeters) 121 square inches would be 780.64 square centimeters.
27.09672 cm^2
8.1 square inches equates to 52.26 square centimeters.
36.12896
64 centimeters squared
(3.10 inch) squared = 9.61 square inches = 62 square centimeters (3.10 square inches) = 20 square centimeters. (both very slightly rounded)
Note that "11 inches squared" means 11 x 11 or 121 square inches. 11 square inches would be 70.97 square centimeters (1 square inch = 6.4516 square centimeters) 121 square inches would be 780.64 square centimeters.
27.09672 cm^2
How many square centimeters are in an area of 7.30inch2 ?
8.90 inches squared = 8.90 inch * 8.90 inch = 79.21 sq inches = 511.03 sq cm (approx).
An area 24 centimeters by 24 centimeters is 576 square centimeters.
It covers an area of 21.62 square centimeters. (1.85 inches by 1.81 inches, covering an area of 3.35 square inches)
There is no formula. Square inches measure area, and centimeters measure length. The two cannot be converted.
Square inches belong to a measure of an area. Cubic centimeters belong to a measure of a volume. That cannot be converted.
you cannot go from inches to centimeters squared. one inch = 2.54 cm you can go from inches squared to centimeters squared; in that case one inch square = (2.54 squared) cm = 6.45 cm squared
Oddly enough the perimeter is 16 centimeters.
24 cm