Length 



i meter-io decimeters - 100 centimeters *= 1000 millimeters 10* microns -*o.i deka- 

 meter^o.oi hectometer = 0.00 1 kilometer =0.0001 myriameter. 

 i U. S. yard = 3600 3937 meters iby definition); log =*!. 9611371. 



i nautical mile of the British admiralty => 6080 ft. i furlong % Uiilc^66o feet 

 i league - 3 miles - 24 furlongs, i fathom - 2 yards 6 {eel. 

 Logarithm of the number immediately above. 



Area 



j hectare = 100 ares 10 ooo ccntares or square meters. 



Logarithm of the number immediately above. 



IX 



