Area of polygons worksheet

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

1 a.

triangle with vertices (8, 0), (7, 7), and (6, 3).
 
 
 
 
1 b.

quadrilateral with vertices (0, 9), (10, 7), (5, 2), and (4, 2).
 
 
 
 
2 a.

triangle with vertices (10, 6), (7, 2), and (8, 9).
 
 
 
 
2 b.

triangle with vertices (8, 2), (2, 9), and (3, 2).
 
 
 
 
Page 2

Answer Key

1 a. 

The area is 5.5 square units.

 
1 b. 

The area is 33.5 square units.

 
2 a. 

The area is 8.5 square units.

 
2 b. 

The area is 17.5 square units.

 


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