Area of polygons worksheet

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

1 a.

triangle with vertices (1, 6), (2, 5), and (6, 10).
 
 
 
 
1 b.

quadrilateral with vertices (5, 9), (10, 5), (6, 4), and (0, 3).
 
 
 
 
2 a.

triangle with vertices (8, 10), (4, 6), and (3, 10).
 
 
 
 
2 b.

quadrilateral with vertices (2, 10), (10, 5), (9, 2), and (1, 4).
 
 
 
 
Page 2

Answer Key

1 a. 

The area is 4.5 square units.

 
1 b. 

The area is 26 square units.

 
2 a. 

The area is 10 square units.

 
2 b. 

The area is 39.5 square units.

 


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