area and volume formulas
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pi=  3.14  
pythagorean theorem  A^2+B^2=C^2  
area of triangle  A=1/2(base)x height  
area of rectangle  A=length x width  
area of trapezoid  A=1/2(sum of bases)x height  
area of paralellogram  A=Base x height  
area of circle  A=pi x r^2, If a circle has a radius of 4, its area is 3.14*4*4=50.24 If you know the diameter, the radius is 1/2 as large.  
surface area of pyramid  SA=1/2(parimeter of base)x slant height + area of base  
surface area of sphere  SA=4 x pi x r^2  
surface area of prism  SA= sum of areas of the faces  
surface area of cylinder  SA=circumfrence of base x height + 2(area of base)  
surface area of cube  SA=6 x (length of edge)^2  
volume of cone  V=1/3(area of base)x height  
volume of pyramid  V=1/3(area of base)x height  
volume of sphere  V=4/3 x pi x r^2  
volume of prism  V=area of base x height  
volume of cylander  V=area of base x 2 x height  
volume of cube  V=length x base x height 
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Created by:
tbjh
on 20040212