588 APPENDIX 



1 pound (avoirdupois) = . 4536 kilogram 



1 centimeter = . 3937 inch 



1 meter = 39.37 inches 



1 liter = 1 .051 quarts (U. S. liquid) 



1 liter = 0.9081 quart (U. S. dry) 



1 kilogram = 2 . 205 pounds (avoirdupois) 



MENSURATION RULES 



Circumference of a circle = diameter X 3. 1416, or TT 



f }4 circumference X radius 



Area of a circle = j diameter squared X . 7854 



[ radius squared X 3 . 1416 



Surface of a sphere = | <* iam f er X circumference 



[4X3. 1416 X square of radius 



Volume of a sphere = ( diameter cubed X 0.5236 



\ % of radius cubed X 3 . 1416 



Lateral surface of a cylinder = circumference of base X altitude 

 Volume of a cylinder = area of base X altitude 



