 
            
            
            
            
                26 Mar
                
                    2008
                
            
            
                26 Mar
                
                '08
                
            
            
            
        
    
                9:26 p.m.
            
        Picture of the ruler tool in action: http://www.et.byu.edu/groups/ece451web/cadence-help/tutA3.html
Picture of 'preserving angles' is attached.