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, circle, triangles, etc. In this article, you will learn about the area of a square.
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 side.
Similarly, we can find the area of the other shapes such as rectangle, parallelogram, triangle or any polygon, based on its sides. Area of the surface is calculated based on the radius or the distance of its outer line from the axis for curved surface objects.
Area of a Square Formula
Before getting to the area of square formula used for calculating the region occupied, let us try using a 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 [latex]\times[/latex] 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 is:
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 Sample Problems
Example 1: Find the area of a square clipboard whose side measures 120 cm.
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?
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.
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.
What is the area of a square formula?
The area of a square can be calculated using the formula side × side square units.
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