Area of polygons worksheet

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

1 a.

quadrilateral with vertices (5, 6), (9, 10), (9, 0), and (4, 0).
 
 
 
 
1 b.

quadrilateral with vertices (5, 5), (10, 10), (5, 0), and (3, 4).
 
 
 
 
2 a.

quadrilateral with vertices (3, 10), (8, 7), (8, 1), and (1, 1).
 
 
 
 
2 b.

quadrilateral with vertices (2, 7), (7, 10), (8, 5), and (2, 2).
 
 
 
 
Page 2

Answer Key

1 a. 

The area is 35 square units.

 
1 b. 

The area is 17.5 square units.

 
2 a. 

The area is 46.5 square units.

 
2 b. 

The area is 29 square units.

 


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