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Exhibit A <br />Non -Uniform Round <br />Length of each offset line: <br />B=10ft E=12ft H=10fit K=9ft N=16ft Q=9ft C=15ft F=15ft <br />I=15ft L=811 O=10ft D=10ft G=13ft J=17ft M=15ft P=12ft <br />of radii = 16 <br />length of offset lines <br />=(B+C+D+E+F+G+H+I+J+K+L+M+N+O+P+Q) <br />/ (Number of radii) <br />=(10+15+10+12+15+13+10+15+17+9+8+15+16+10+12+9) <br />/16 <br />= 12.25 ft <br />Total Area = rz x 12.252 ft <br />=3.14x12.25ftx12.25fit <br />= 471 ftz <br />Non -Uniform Ellipses <br />The method used for irregular shaped areas is called the "offset method". First measure the length <br />of the longest axis of the area (line AB). This is called the length line. Next, divide the length line <br />into equal sections, for example 10 ft. At each of these points, measure the distance across the <br />area in a line perpendicular to the length line at each point (lines C through G). These lines are <br />called offset lines. Finally, add the lengths of all offset lines and multiply the result times the <br />distance that separates these lines (10 ft. in this example). This is most notably different from <br />Non -Uniform Rectangular in that neither the left or right edges of the shape are measured in the <br />ellipse. <br />0 <br />c <br />MM <br />Example: Non -Uniform Ellipse <br />Length line (AB) = 60 ft <br />Distance between offset lines is 10 ft apart <br />Length of each offset line <br />C=15ft F=25ft <br />D=10ft G=20ft <br />E=15ft <br />rtal length <br />offsetlines=C+D+E+F+G <br />= 15+10+15+25+20 <br />=85ft <br />Area = (Distance between offset lines) <br />x (sum of the length of offset lines) <br />=10ftx85ft <br />= 850 ftZ <br />