Area of Rectangle Formula
Area of Rectangle Formula
In mathematics, the great mathematician Mr. Euclidean gave concepts that provide the deep
understanding of geometrical tool to solve the various kind of problem. In geometry, we study
different kinds of mathematical shapes and figures that are plotted on the plane.
According to the Euclidean plane geometry, a rectangle is a geometrical shape which can be
considered as a quadrilateral with four right angles. A rectangle can also be cal ed as
equiangular quadrilateral due to their four right angles.
A rectangle can also be considered as a special type of paral elogram. The square and
rectangle both are similar type of geometrical shape, because both shapes contain the four
straight sides with the four right angles.
But there is a basic difference between the square and rectangle that square has four equal
sides but rectangle contains pair of two equal sides. It means that in the shape of rectangle all
the four sides are not equal. There are some of the properties that help in understanding the
concept of rectangle.
Properties of rectangle:
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a) The shape of rectangle contains four angles. Al the angles of the rectangle are of 90o.
b) In rectangle we can plot the diagonals inside the shape of rectangle. These diagonals of
rectangle are congruent for each other.
c) The opposite of rectangle are similar to each other but adjacent sides can't be same.
Like other geometrical shapes, rectangle also has surface area. In mathematics there are
several formulas which are defined to solve various kinds of problem. In the same aspect, the
formula for solving the problem of calculating the area of rectangle is defined.
Area of Rectangle Formula = Length * breath,
In above formula we can see that the area of rectangle depends on the product of length and
width. Length and width are the measurement of the given sides into the rectangle.
It means that length and width are the sides of the corresponding rectangle. In general
notation we can write the area of rectangle in below format:
Area of rectangle (A) = length (L) * width (W),
A = L * W,
Above we can see that the area of rectangle is denoted by the symbol `A' and the length and
width are denoted by the symbol `L' and `W' respectively. Now we show you the some of the
example that helps `I' calculating the area of rectangle.
Example: Suppose Harry has a rectangular piece of land, which has the length of 20 m and
the width of rectangle is 10 m.
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Harry wants to develop his land by flowers, which costs @ $2 per meter square. Now you
need to calculate the total cost of developing the garden?
Solution: In the above question given that the length of garden is 20 m and the width is 10 m.
So, first of al we need to calculate the area of rectangle:
Area of rectangle = length * width,
A = 20 m * 10 m,
A = 200 m2,
The cost of developing a garden is $2 per meter square. So total cost of developing a garden
is:
Total cost = 200 * 2,
So, Total cost is = $ 400,


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