Area of polygons worksheet

Findtheareaoftheshapeswhentheirverticesaregiven.

1 a.

triangle with vertices (4, 9), (5, 5), and (7, 6).
 
 
1 b.

quadrilateral with vertices (5, 9), (7, 5), (10, 2), and (2, 3).
 
 
2 a.

quadrilateral with vertices (3, 6), (6, 10), (10, 5), and (2, 2).
 
 
2 b.

triangle with vertices (7, 6), (2, 0), and (9, 7).
 
 
Page 2

Answer Key

1 a. 

The area is 4.5 square units.

 
1 b. 

The area is 22.5 square units.

 
2 a. 

The area is 30 square units.

 
2 b. 

The area is 3.5 square units.

 


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