This page gives you a quick reference to all the important Area formulas.
What is Area?
The area is the size of a two-dimensional surface. It is defined as the amount of two-dimensional space occupied by an object. Area formulas have many practical applications in building, farming, architecture, science. The area of a shape can be determined by placing the shape over a grid and counting the number of squares that covers the entire space. For example, the area of a square can be calculated using a2 where a is the length of its side.List of Area Formulas
Figures | Area Formula | Variables |
Area of
Rectangle
| Area = l | l = length
w = width
|
Area of Square | Area = | a = sides of a square |
Area of a Triangle | Area = | b = baseh = height |
Area of a Circle | Area = | r= radius of a circle |
Area of a Trapezoid | Area = | a =base 1 b = base 2 h = vertical height |
Area of Ellipse | Area = | a = radius of major axis b = area of the minor axis |
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