Asimplewaytofindtheperimeter,circumferenceandareaforanyshape.
AREA:squaremillimeter(mm^2);squarecentimeter(cm^2);squaremeter(m^2);squarekilometer(km^2);squarefoot(ft^2);squareinch(in^2)
LENGTH:millimeter(mm);centimeter(cm);meter(m);kilometer(km);foot(ft);inch(in)