



 
Hi Mimi, As you can see in the diagram this rectangle has an area slightly smaller that your lot. The area of the rectangle is 120 * 146 = 17520 square feet. There are 43560 square feet in an acre so the area of the rectangle is 17520/43560 = 0.402 acres. The area your county gave you was 0.43 acres so my estimate gives me some confidence that they are correct. 0.43 acres at 43560 square feet per acre is about 18731 square feet.  


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