Area of polygons worksheet

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

1 a.

quadrilateral with vertices (-6, 1), (9, 6), (0, -9), and (-9, -1).
 
 
 
 
1 b.

quadrilateral with vertices (-10, 1), (5, 8), (1, -6), and (-6, -3).
 
 
 
 
2 a.

quadrilateral with vertices (-9, 2), (4, 9), (1, -4), and (-10, -2).
 
 
 
 
2 b.

triangle with vertices (2, 0), (1, 5), and (3, -2).
 
 
 
 

Answer Key

1 a. 

The area is 111 square units.

 
1 b. 

The area is 99 square units.

 
2 a. 

The area is 97 square units.

 
2 b. 

The area is 1.5 square units.

 


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