en.wikipedia.org/wiki/Area

Additional common **formulas for area**: ..... The above calculations show how to
find the areas of many common shapes.

www.math.com/tables/geometry/areas.htm

(pi = pi = 3.141592...) **Area Formulas**. Note: "ab" means "a" multiplied by "b". "a^{2}"
means "a squared", which is the same as "a" times "a". Be careful!! Units count.

www.mathsisfun.com/area.html

Example: What is the **area** of this rectangle? **Area** Count. The **formula** is: **Area** = w
× h w = width h = height. We know w = 5 and h = 3, so: **Area** = 5 × 3 = 15 ...

www.science.co.il/formula

**Area** and Volume **Formula** for geometrical figures - square, rectangle, triangle,
polygon, circle, ellipse, trapezoid, cube, sphere, cylinder and cone.

virtualnerd.com/pre-algebra/perimeter-area-volume/perimeter-and-area/area/rectangle-area-formula

Check out this tutorial to learn about the **formula** for the **area** of a rectangle. ...
How Do You Find the Length of a Rectangle if You Know its Width and **Area**?

www.mathexpression.com/formula-for-area.html

**Formula for area** of a square, rectangle, circle, parallelogram and triangle.
Examples and lessons are included.

www.mathgoodies.com/lessons/vol1/area_rectangle

A square is a rectangle with 4 equal sides. To find the **area** of a square, multiply
the length of one side by itself. The **formula** is: square or area_square_form2.gif ...

www.coolmath.com/reference/areas

**Formulas** and instructions for finding the **areas** of circles, kites, parallelograms,
rectangles, rhombi, squares, trapezoids and oddly shaped geometric objects

math2.org/math/geometry/areasvols.htm

**Areas**. square = a^{2}. rectangle = ab. parallelogram = bh. trapezoid = h/2 (b1 + b2).
circle = pi r ^{2} ... [s(s-a)(s-b)(s-c)] when s = (a+b+c)/2 (Heron's **formula**).