Area of polygons worksheet

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

1 a.

quadrilateral with vertices (0, 10), (8, 8), (10, 0), and (0, 3).
 
 
 
 
1 b.

triangle with vertices (3, 7), (10, 6), and (1, 0).
 
 
 
 
2 a.

triangle with vertices (3, 0), (4, 2), and (6, 1).
 
 
 
 
2 b.

quadrilateral with vertices (2, 6), (7, 6), (9, 0), and (1, 3).
 
 
 
 
Page 2

Answer Key

1 a. 

The area is 65 square units.

 
1 b. 

The area is 25.5 square units.

 
2 a. 

The area is 2.5 square units.

 
2 b. 

The area is 28.5 square units.

 


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