Area of polygons worksheet

Findtheareaoftheshapeswhentheirverticesaregiven.

1 a.

triangle with vertices (-10, 2), (-3, 0), and (-9, 2).
 
 
1 b.

quadrilateral with vertices (-10, 9), (3, 6), (9, -6), and (-10, -6).
 
 
2 a.

quadrilateral with vertices (-4, 0), (7, 7), (8, -7), and (-5, -9).
 
 
2 b.

quadrilateral with vertices (-9, 4), (5, 8), (9, 0), and (-1, -6).
 
 
Page 2

Answer Key

1 a. 

The area is 1 square units.

 
1 b. 

The area is 211.5 square units.

 
2 a. 

The area is 138 square units.

 
2 b. 

The area is 138 square units.

 


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