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AREA and SURFACE AREA FORMULAS

November 16, 2009

Here are some formula that can help you in different calculation. It is divided into 2 section which is Area Formula for 2 dimension objects and the Surface Area Formula for 3 dimensional Objects.

AREA FORMULAS

Formula for Area of CIRCLE:
pr2     (p=constant=3.142(approx), and r = radius)

Formula for Area of RECTANGLE:
ab   (a = width and b = height of rectangle)

Formula for Area of SQUARE:
a2       (a = width  = height of square, all sides equal)

Formula for Area of TRIANGLE:
1/2(bh)    (b = base width  and h = height of triangle)

SURFACE AREA FORMULAS

Formula for Surface area of CYLINDER:

2p(r2 + rh)       (p=constant=3.142(approx), r = radius, h = height)

Formula for Surface area of CUBE:

6a2   (a=length of each side of the cube)

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