Area of polygons worksheet

Findtheareaoftheshapeswhentheirverticesaregiven

1 a.

triangle with vertices (3, -9), (6, 5), and (10, -7).
 
 
1 b.

triangle with vertices (5, -7), (-3, 3), and (1, 10).
 
 
2 a.

triangle with vertices (-2, -9), (4, -8), and (4, 4).
 
 
2 b.

quadrilateral with vertices (0, 3), (2, 8), (6, -3), and (-6, -7).
 
 
Page 2

Answer Key

1 a. 

The area is 46 square units.

 
1 b. 

The area is 48 square units.

 
2 a. 

The area is 36 square units.

 
2 b. 

The area is 69 square units.

 


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