Area Of A Square- Introduction, Formula, Examples

Safalta expert Published by: Yashaswi More Updated Sat, 09 Sep 2023 11:20 AM IST

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The area of a square is defined as the number of square units needed to fill a square. In general, the area is defined as the region occupied inside the boundary of a flat object or 2D figure. The measurement is done in square units with the standard unit being square meters (m2). For the computation of area, there are pre-defined formulas for squares, rectangles, circles, triangles, etc. In this article, you will learn about the area of a square.  Join Safalta School Online and prepare for Board Exams under the guidance of our expert faculty.

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What is Area?

The area is the space covered by the object. It is the region occupied by any shape. While measuring the area of a square, we consider only the length of its side. All the sides of a square are equal and hence, its area is equal to the square of the side.

Similarly, we can find the area of the other shapes such as rectangles, parallelograms, triangles, or any polygon, based on its sides. The area of the surface is calculated based on the radius or the distance of its outer line from the axis for curved surface objects.
Example: circle


 

Area of a Square Formula

Before getting to the area of the square formula used for calculating the region occupied, let us try using graph paper. You are required to find the area of a side 5 cm. Using this dimension, draw a square on a graph paper having 1 cm ×× 1 cm squares. The square covers 25 complete squares.







 

Thus, the area of the square is 25 square cm, which can be written as 5 cm × 5 cm, that is, side ×  side.

From the above discussion, it can be inferred that the formula can give the area of a square:

Area of a Square = Side ×  Side

Therefore, the area of square = Side2  square units

and the perimeter of a square = 4 ×  side units

Here some of the unit conversion lists are provided for reference. Some conversions of units-

  • 1 m = 100 cm
  • 1 sq. m = 10,000 sq. cm
  • 1 km = 1000 m
  • 1 sq. km = 1,000,000 sq. m

 
 


 

Area of a Square Examples

 

Example 1: Find the area of a square clipboard whose side measures 120 cm.

Solution:

Side of the clipboard = 120 cm = 1.2 m

Area of the clipboard = side  × side

= 120 cm  ×120 cm

= 14400 sq. cm

= 1.44 sq. m
 

Example 2: The side of a square wall is 75 m. What is the cost of painting it at the rate of Rs. 3 per sq. m?

Solution:

Side of the wall = 75 m

Area of the wall = side × side = 75 m × 75 m = 5625 sq. m

For 1 sq. m, the cost of painting = Rs. 3

Thus, for 5625 sq. m, the cost of painting = Rs. 3 × 5625 = Rs 16875

 

Example 3: A courtyard’s floor which is 50 m long and 40 m wide is to be covered by square tiles. The side of each tile is 2 m. Find the number of tiles required to cover the floor.

Solution:

Length of the floor = 50 m

The breadth of the floor = 40 m

Area of the floor = length × breadth = 50 m  ×40 m = 2000 sq. m

Side of one tile = 2 m

Area of one tile = side ×side = 2 m  × 2 m = 4 sq. m

No. of tiles required = area of floor/area of a tile = 2000/4 = 500 tiles


 

What is the area of a square?

As we know, a square is a two-dimensional figure with four sides. It is also known as a quadrilateral. The area of a square is defined as the total number of unit squares in the shape of a square. In other words, it is defined as the space occupied by the square

Why is the area of a square a side square?

A square is a 2D figure in which all the sides are of equal measure. Since all the sides are equal, the area would be length times width, which is equal to side × side. Hence, the area of a square is side square.

What is the area of a square formula?

The area of a square can be calculated using the formula side × side square units.

How to find the area of a square if diagonal is given?

If the diagonal of a square is given, then the formula to calculate the area of a square is:
A = (½) × d2 square units.
Where “d” is the diagonal

What is the perimeter and the area of a square?

The perimeter of the square is the sum of all four sides of a square, whereas the area of a square is defined as the region or the space occupied by a square in the two-dimensional space.

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