Area of polygons worksheet

Find the area of the shapes when their vertices are given.

1 a.

trapezoid with vertices (-13, 43), (34, 6), (34, -34), and (-13, -45).
 
 
 
 
1 b.

triangle with vertices (-5, 19), (-5, -21), and (-14, 19).
 
 
 
 
2 a.

parallelogram with vertices (-11, 40), (43, 19), (43, -38), and (-11, -17).
 
 
 
 
2 b.

parallelogram with vertices (-38, 30), (18, 30), (12, -34), and (-44, -34).
 
 
 
 
Page 2

Answer Key

1 a. 

The area is 3008 square units.

 
1 b. 

The area is 180 square units.

 
2 a. 

The area is 3078 square units.

 
2 b. 

The area is 3584 square units.

 


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