Mathematics
Grade6
Easy

Question

What is the perimeter of a square with the side 50x cm?

  1. 21x cm    
  2. 30x cm    
  3. 200x cm    
  4. 100x cm    

Hint:

In this question, we are given a term. It is a side of the square. We are asked to find the perimeter of the square. Perimeter means the length of the boundary of the given shape. We have to find the right operation using the given term to find the perimeter of the square.

The correct answer is: 200x cm


    The given value for the length of the side of a square is 50x cm
    Length = 50x cm
    We have to find the perimeter of a square. We know that perimeter means the total length of the boundary of the shape. As a square has four equal sides, we will have to add them to get the length of complete boundary, or in other words a perimeter. As square has all sides equal. So to find a perimeter we will have to add the side 4 times, or simply multiply the side by 4.
    The formula for the perimeter of a square will be
    Perimeter = 4(length)
    Substituting the respective values, we get
    Perimeter = 4(50x)
    As there are two with the same variable, we can add them directly like normal numbers.
    Perimeter = 200x cm
    Therefore, the perimeter of the square will be 200x cm.
    So option which is ‘200x cm’, is the right option.

    For such questions, we should be knowing the formulas of area and shapes of different shapes. We also have to be careful if we are dealing with same variables or different variables before performing operations.

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