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Calcualte areas in wgs84?

Question asked by geonetadmin on Nov 5, 2012
Latest reply on Nov 5, 2012 by MKennedy-esristaff
Original User: saraborn

I'm wonder if there is a way to accurately calculate area using wgs 84? i have lands all over the us and creating a new projection for each utm zone take a while. when I try to calculate the area in wgs84, the values are very erroneous.  Suggestions????