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How do you find the area of a square with sides 6 centimeters long?

Answer
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Hint: Let us assume that the length of the given square is 6 cm. Let this be equation (1). We very well know that if the length of the side of a square is equal to x cm, then the area of the square is equal to x2 sq.cm. Let us say that the area of the square is equal to A sq.cm. So, we are now supposed to find the square of value of x cm which is obtained from equation (1). Let this be equation (2). Now, from equation (2) we can easily find the value of the area of the square whose sides are 6 cm long.

Complete step-by-step answer:
Before solving the given question, we should keep in mind that if the length of the side of a square is equal to x cm, then the area of the square is equal to x2 sq.cm.
It is already given that the length of the side of the square is equal to 6 cm. Let us assume that the side of the square is equal to x .
 x=6 ---(1)
We already know that the area of the square with side x cm is equal to x2 sq.cm.
 A=x2 --(2)
Now, we substitute equation (1) in equation (2). After doing so, we get,
 A=(6)2A=36
So, it is clear that the area of the square whose side is equal to 6 cm is 36 sq.cm.
Thus, Area = 36cm2 .
So, the correct answer is “Area = 36cm2 ”.

Note: There is usually a misconception among students, which is that if the diagonal of a square is equal to x cm, then the area of the square is equal to x2 sq.cm. Due to this misconception the answer gets affected. Thus, this misconception should be avoided.