Area Formulas

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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 \(\begin{array}{l}a^{2}\end{array} \) where a is the length of its side.

Area of a Square

List of Formulas

Figures Formula Variables
Rectangle Area = l \(\begin{array}{l}\times\end{array} \) w l =  length

w  = width
Square Area  = \(\begin{array}{l}a^{2}\end{array} \) a = sides of square
Triangle Area = \(\begin{array}{l}\frac{1}{2}\end{array} \)bh b = base h = height
Circle Area = \(\begin{array}{l}\pi\end{array} \)\(\begin{array}{l}r^{2}\end{array} \) r = radius of circle
Trapezoid Area =\(\begin{array}{l}\frac{1}{2}\end{array} \)(a + b)h a = base 1 b = base 2 h = vertical height
Ellipse Area = \(\begin{array}{l}\pi\end{array} \)ab a = radius of major axis b = radius of minor axis
More topics in Area Formula
Area of a Triangle Formula Area of a Parallelogram Formula
Area of a Rectangle Formula Area of a Rhombus Formula
Area of a Trapezoid Formula Area of a Kite Formula
Area of a Pentagon Formula Area of a Hexagon Formula
Area of a Sector Formula Area of Regular Polygon Formula
Area Formula for Quadrilaterals Area of a Sector of a Circle Formula
Area of a Segment of a Circle

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Tag » Area Of Triangle Rectangle