Area of polygons worksheet

Findtheareaoftheshapeswhentheirverticesaregiven.

1 a.

quadrilateral with vertices (-7, 7), (7, 6), (3, -1), and (-6, -4).
 
 
1 b.

triangle with vertices (-9, 8), (6, 10), and (0, -9).
 
 
2 a.

quadrilateral with vertices (-1, 2), (4, 6), (8, -7), and (-2, -7).
 
 
2 b.

triangle with vertices (6, 3), (-9, 8), and (-5, 10).
 
 
Page 2

Answer Key

1 a. 

The area is 102 square units.

 
1 b. 

The area is 136.5 square units.

 
2 a. 

The area is 85.5 square units.

 
2 b. 

The area is 25 square units.

 


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