Area of polygons worksheet

Findtheareaoftheshapeswhentheirverticesaregiven.

1 a.

triangle with vertices (0, -5), (3, -8), and (4, -3).
 
 
1 b.

triangle with vertices (-2, 3), (-1, -5), and (10, 6).
 
 
2 a.

quadrilateral with vertices (-3, 6), (6, 3), (9, -9), and (-2, -3).
 
 
2 b.

quadrilateral with vertices (-3, 1), (1, 8), (7, -7), and (-1, -9).
 
 
Page 2

Answer Key

1 a. 

The area is 9 square units.

 
1 b. 

The area is 49.5 square units.

 
2 a. 

The area is 96 square units.

 
2 b. 

The area is 93 square units.

 


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