Relevant Geometric Equations

Circumference C of a circle:

Perimeter P of a square with side a:

Perimeter P of a rectangle with sides a and b:

Perimeter P of a triangle with sides a, b, and c:

Area A of a square with sides a:

Area A of a rectangle with sides a and b: A = ab

Area A of a triangle with base b and height h: A = 0.5bh

Area A of an ellipse with major axis a and minor axis b: A = nab

Area A of a trapezoid with parallel sides a and b and height h:

Area A of a duct (in ft2) when d is in inches: A = nd2/576 = 0.005454d2 Volume V of a sphere with a radius r (d = 2r): V = 1.33nr3 = 0.1667nd3

Volume V of a cube with sides a:

Volume V of a rectangular solid (sides a and b and height c): V = abc Volume V of a cylinder with a radius r and height h: V = nr2h = nd2h/4

Volume V of a pyramid with base area B and height h:

Guide to Alternative Fuels

Guide to Alternative Fuels

Your Alternative Fuel Solution for Saving Money, Reducing Oil Dependency, and Helping the Planet. Ethanol is an alternative to gasoline. The use of ethanol has been demonstrated to reduce greenhouse emissions slightly as compared to gasoline. Through this ebook, you are going to learn what you will need to know why choosing an alternative fuel may benefit you and your future.

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