Area Calculator : Useful Online Tool And Application
Area Calculator: Useful Online Tool and Application: The following are calculators for evaluating the area of seven common shapes. The area of more complex shapes can usually be obtained by breaking them into their overall plain shapes and aggregating their areas. This calculator is especially useful for estimating land area.
Area
is a quantity that describes the size or extent of a two-dimensional
figure or shape in a plane. It can be visualized as the amount of paint
that will be needed to cover the surface, and is a two-dimensional
replica of the one-dimensional length of the curve, and the
three-dimensional volume of the cube. The standard unit of area in the
International System of Units (SI) is square meters or m2. Below are the
equations for some of the most common plain shapes and examples of how
the area of each is calculated.
A
rectangle is a quadrilateral with four right angles. It is one of the
simplest shapes, and its length and width only need to be known (or
measured) to calculate its area. A quadrilateral is defined as a polygon
with four edges and vertices. In the case of a rectangle, the length
usually represents the two longest edges of the quadrilateral, while the
width is smaller than the two edges. When the length and width of a
rectangle are equal, the shape is a special case of a rectangle, called a
square. The equation for calculating the area of a rectangle is as
follows:
Important Links:
Imagine
a farmer trying to sell a piece of land that is completely rectangular.
Because he had some cows that he did not want to roam freely, he fenced
off a piece of land and knew the exact length and width of each of the
edges. The farmer also lives in the United States, and despite being
unaware of the use of SI units, measures his land plot by foot.
Historically, the human body has been used to provide support for units
of length, and surprisingly, the legs were defined in 1959 as exactly
0.3048 meters in 1959 due to inconsistencies in time and place. On the
tangent side, the farmer's land plot is 220 feet long and 99 feet wide.
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