Area of polygons worksheet

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

1 a.

quadrilateral with vertices (5, 5), (6, 9), (8, 1), and (1, 1).
 
 
 
 
1 b.

pentagon with vertices (1, 10), (6, 8), (8, 10), (9, 4), and (3, 2).
 
 
 
 
2 a.

quadrilateral with vertices (1, 7), (7, 8), (9, 5), and (2, 4).
 
 
 
 
2 b.

pentagon with vertices (1, 8), (6, 10), (10, 8), (10, 4), and (2, 4).
 
 
 
 
Page 2

Answer Key

1 a. 

The area is 22 square units.

 
1 b. 

The area is 40 square units.

 
2 a. 

The area is 21 square units.

 
2 b. 

The area is 43 square units.

 


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