Our rectangle area calculator finds the area, perimeter, and diagonal of a rectangle by considering its lengths and width. With the help of a maximum area of a rectangle calculator, you can find the area of the given coordinates of four corners of a rectangle as well.
A rectangle is a type of quadrilateral with four sides, four corners, and four angles that are equal to 90 degrees.
In a rectangle, the alternate sides are equal and parallel to each other.
A rectangle is a four-sided polygon that has four angles of 90 degrees. By using the area of the rectangle calculator, you can find a rectangle's area, perimeter, and diagonal. The area of the rectangle formula is;
Area of a rectangle = L * W
Area of a rectangle = Length * Width
You can calculate the area of a rectangle with the help of the rectangle area calculator. It uses the following units to represent the area of a rectangle.
The best feature of our rectangular area calculator is that if you have an area and want to calculate its length or width you can do so. Suppose that a rectangle has a length of 4cm and a width of 6cm. What is the area of a rectangle?
Given Data:
Length = 4cm
Width = 6cm
To Find:
Area = A =?
The formula for area of a rectangle:
A = l * w
Put values in the formula to find an area of rectangle
A = 4cm * 6cm
A = 24 cm^2
We can also find the length or width by adjusting the rectangle area formula as follows:
L = A/W
L= 24/6
L = 4cm
Here we find the perimeter of the same rectangle that we suppose in the example. The equation for perimeter is;
P = a + b + a + b
Which can be written as
P = 2 (a + b)
P = 2 (4 + 6)
P = 10cm
Calculate the diagonal of a rectangle for the same rectangle that we suppose upper. The diagonal of a rectangle formula is as follows;
d^2 = a^2 + b^2
Take a square root on both sides we get:
$$d = \sqrt{a^{2} + b^{2}}$$
a^2 = 16, b^2 = 24
a + b = 40
d = 40
d = 6.326cm
Stay focused on the following points to understand the working of our area of shaded rectangle calculator.
Input:
Output:
There are several properties of a rectangle that are as follows:
A square is always a rectangle and the rectangle is not always a square. The rectangle’s opposite sides are equal but parallel to each other. Their adjacent sides may or may not be equal. That's why always rectangles are not square.
The rectangle whose side lengths are in a golden ratio. The formula to find the golden ratio of the rectangle is as follows:
(a + b) / a = a / b = ϕ
Where the value of ϕ is approximately 1.618.
From the source Wikipedia: Rectangle, Characterizations, Classification, Properties, Formulae, Theorems, Crossed rectangles, Other rectangles.
From the source Khan Academy: Area of rectangles review, what is an area?
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