Area of polygons worksheet

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

1 a.

quadrilateral with vertices (2, 5), (9, 5), (10, 1), and (3, 0).
 
 
 
 
1 b.

triangle with vertices (1, 4), (9, 1), and (3, 5).
 
 
 
 
2 a.

triangle with vertices (3, 7), (7, 0), and (10, 6).
 
 
 
 
2 b.

quadrilateral with vertices (0, 10), (7, 5), (6, 2), and (2, 3).
 
 
 
 
Page 2

Answer Key

1 a. 

The area is 32 square units.

 
1 b. 

The area is 7 square units.

 
2 a. 

The area is 22.5 square units.

 
2 b. 

The area is 26 square units.

 


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