Oh, what a happy little question! To find the area of an object, you simply multiply its length by its width. So for an object that measures 28cm x 22cm, you would multiply 28 by 22 to get an area of 616 square centimeters. Just imagine all the beautiful things you could create with that space!
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The area of a square with perimeter 28cm is: 49 cm2
4*9 = 36 square cm
Area of a square can be calculated using the formula A = a^2, where "a" is the length of a side of the square. Its perimeter is P = 4*a. 49 = a^2 => a = 7cm P = 4*7 = 28cm The perimeter of the square is 28cm.
It is: 6*28*28 = 4704 square cm
A cuboid is a 3 dimensional object and 3 measures are required for the total surface area of a cuboid.