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Common Formulas
CIRCUMFERENCE Circle: C = πd, in which π is 3.1416 and d the diameter.AREA Triangle: A = (ab)/2 , in which a is the base and b the height. Square: A = a2, in which a is one of the sides.…Conversion Factors
Below are instructions for converting factors, including changing acres to hectares, Btu/hour to horsepower, centimeters to inches, degrees to radians, feet to miles, furlongs to feet, liters to…World Net Electricity Consumption by Selected Regions, 1990–2025
(billion kilowatt-hours) Region Projections 2001 2010 2015 2020 2025 Average annual percent change, 2001–2025 United States 3,386 4,055 4,429 4,811 5,207 1.8% Japan 788 870 920 965 1,012 1.0…Least and Most Polluting Cars
The ACEEE's Green Book®, a buyer's guide to environmentally friendly passenger vehicles, rates cars according to their emissions and fuel consumption, and publishes an annual list of the "greenest"…power, electric
(Encyclopedia) power, electric, energy dissipated in an electrical or electronic circuit or device per unit of time. The electrical energy supplied by a current to an appliance enables it to do work…Egypt Department of State Background
U.S. Department of State Background Note Egypt Index: People and History Government and Political Conditions National Security Economy Foreign Relations U.S.-Egyptian Relations PEOPLE AND…Trending
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