Area of polygons worksheet

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

1 a.

quadrilateral with vertices (0, 6), (9, 5), (5, 2), and (4, 2).
 
 
 
 
1 b.

triangle with vertices (5, 9), (2, 6), and (4, 10).
 
 
 
 
2 a.

triangle with vertices (8, 2), (3, 1), and (5, 2).
 
 
 
 
2 b.

triangle with vertices (9, 6), (3, 0), and (9, 4).
 
 
 
 
Page 2

Answer Key

1 a. 

The area is 17.5 square units.

 
1 b. 

The area is 3 square units.

 
2 a. 

The area is 1.5 square units.

 
2 b. 

The area is 6 square units.

 


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