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en.wikipedia.org/wiki/Area

... to find the areas of many common shapes. The areas of irregular polygons can be calculated using the "Surveyor's formula".

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.mathgoodies.com/lessons/vol1/area_rectangle.html

The formula is: [IMAGE]. A = L x W , where A is the area, L is the length, W is the width, and · means multiply. A square is a rectangle with 4 equal sides. To find ...

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.

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

virtualnerd.com/pre-algebra/perimeter-area-volume/perimeter-and-area/area-formulas-examples/rectangle-area-example

This tutorial will show you how to find the area of a rectangle. Check it out! ... length; width; area; rectangle; solve for area; formula; plug in; rectangle area ...

www.khanacademy.org/math/basic-geo/basic-geo-area-and-perimeter/parallelogram-area/v/intuition-for-area-of-a-parallelogram

Understand why the formula for the area of a parallelogram is base times height, just like the formula for the area of a rectangle.

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

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

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.