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<br />Exhibit A <br />Example: Irregular Rhombus <br />or Widening Rectangular <br />Length of each line: <br />A = 20 ft <br />B = 25 ft <br />c = 18 ft <br />d = 21 ft <br />Line (f) = A – c Line (e) = B – d <br />= 25 ft – 21 ft <br />= 4 ft <br />= 20 ft – 18 ft <br />= 2 ft <br />Area (cd) = c x d <br />= 18 ft x 21 ft <br />= 378 ft2 <br />Area (ce) = (c x e) / 2 <br />= (18 ft x 4 ft) / 2 <br />= 36 ft2 <br />Area (fd) = (f x d) / 2 <br />= (2 ft x 21 ft) / 2 = 21 ft2 <br />Total Area = Area (cd) + Area (ce) + Area (fd) <br />= 378 ft2+ 36 ft2 + 21 ft2 <br />= 435 ft2 <br />Non-Uniform Round <br />First measure 16 evenly spaced radii from the same center point (point A). This is called the <br />center point. Next take the average of all the radii (B + C + D + E + F + G + H + I + J + K + L + M + N <br />+ O + P + Q) / 16. Use the average radii to calculate the area of a circle. (12.25 ft. in this <br />example). <br />Board used for measuring