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A &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;209.83 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;AB=65 deg &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />
B &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;195.57 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />
diag &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;218.15 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Diag &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;218.1530308<br />
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />
S1 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;311.78 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />
A1 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;18595.83 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />
<br />
<br />
<br />
C &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;196.42<br />
D &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;50.02<br />
diag &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;218.15<br />
<br />
S2 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;232.30<br />
A2 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4635.22<br />
<br />
A1+A21 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;23231.05 &nbsp;&lt;== &nbsp; Square Feet<br />

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A      209.83            AB=65 deg      
B      195.57                  
diag      218.15            Diag      218.1530308
                        
S1      311.78                  
A1      18595.83                  



C      196.42
D      50.02
diag      218.15

S2      232.30
A2      4635.22

A1+A21      23231.05  <==   Square Feet


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The simplest way is to divide the quadrilateral into two triangles, and compute their areas using the formula:<br />
<br />
A = (side1 * side2 * sin(angle)) / 2<br />
<br />
<br />

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The simplest way is to divide the quadrilateral into two triangles, and compute their areas using the formula:

A = (side1 * side2 * sin(angle)) / 2




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<div class="content wysiwyg-content">
How would I caluclate the area of a parcel of land that has four unequal sides? &nbsp;<br />
The four sides are: A.) 209.83ft. &nbsp;B.) 195.57ft. C.) 196.42ft. D.) 50.02ft., <br />
The angles are: &nbsp;AB=65 degrees, BC=73 degrees, CD=109 degrees, DA=109 degrees
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How would I caluclate the area of a parcel of land that has four unequal sides?  
The four sides are: A.) 209.83ft.  B.) 195.57ft. C.) 196.42ft. D.) 50.02ft., 
The angles are:  AB=65 degrees, BC=73 degrees, CD=109 degrees, DA=109 degrees

area of a parcel of land that has four unequal sides

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