Finite shapes cannot have these types of symmetry. Classification of shapes based on symmetry. Shapes can be classified according to their symmetry. To do so (for finite shapes, like polygons), count the number of lines of (reflection) symmetry, if any, and determine the (smallest) angle of rotation symmetry, if any.
Refinancing transactions might be completed within 30 days; however, 60 to 90-day time frames are more plausible. A lender's loan volume, workforce and other circumstances could impact processing speeds. You can ask your loan officer about the estimated time frame for refinancing your mortgage.
There is no specific time when you should refinance your property. You should only refinance when it benefits you, or you can lower your monthly payments. You have to take in considerstion the fees and points you will be charged and when you can expect to get back your money for your refinance. I would say a 1-1.5 drop in the rate should be the standard. That way i will not take you long to get back your fees and points you paid for the refinance.