We can calculate the area by taking out the product of the length and the breadth of the house
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Well, 31.63 times 31.63 = 1,000.4569! But, does it have to be a whole number with no decimals? Then it's impossible!
No. A natural number is a whole number, that is, no digits after the decimal point. Calculate the square root of 12 on a calculator, and you will see that it is not a whole number.
Try it out. Calculate the square root of 996, and see if you get a whole number.
One hectare is equal to 10,000 square meters. This is because a hectare is a metric unit of area measurement that is defined as 100 meters by 100 meters, or 1 hectare = 100m x 100m = 10,000 square meters.
It is not the square of a whole number; but it is the square of a real number. If you calculate the square root of 23, you will get a real number. That real number times itself will equal 23. But the square root will not be a simple whole number. It will have an endless decimal fraction.