Area of polygons worksheet

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

1 a.

quadrilateral with vertices (0, 5), (7, 10), (7, 3), and (1, 0).
 
 
 
 
1 b.

triangle with vertices (6, 6), (10, 3), and (3, 1).
 
 
 
 
2 a.

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

quadrilateral with vertices (2, 8), (7, 8), (7, 0), and (0, 1).
 
 
 
 
Page 2

Answer Key

1 a. 

The area is 41 square units.

 
1 b. 

The area is 14.5 square units.

 
2 a. 

The area is 4 square units.

 
2 b. 

The area is 45.5 square units.

 


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