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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". "a2" 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.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.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?

math2.org/math/geometry/areasvols.htm

Areas. square = a2. 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).

www.mathopenref.com/squarearea.html

Area of a Square. From Latin: area - "level ground, an open space,". The number of square units it takes to completely fill a square. Formula: Width × Height.

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

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

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