To find the area of a square, you simply multiply the length of one side by itself. In this case, 4m x 4m equals 16 square meters. This is because each side of the square is 4 meters long, so when you multiply them together, you get the total area in square meters.
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4.6 x 10,000 46,000 squared meters
The area of 4m by 4m is 16 square meters.
40 cubic meters
The perimeter of 4 meters by 5 meters is 18. Is the figure a square? if it is then the answer is 18m squared. The first answer is correct if the shape is a parallelogram; the second is rubbish. A square cannot be 4m by 5 m because one of the defining characteristics of a square is that its sides are the same length! The perimeter is the length (therefore metres, NOT m sq) around the shape. 4m+5m+4m+5m = 18m.
4m