Area of polygons worksheet

Findtheareaoftheshapeswhentheirverticesaregiven.

1 a.

parallelogram with vertices (-9, 4), (7, 7), (7, -3), and (-9, -6).
 
 
1 b.

triangle with vertices (-10, 4), (-10, -10), and (-8, 4).
 
 
2 a.

parallelogram with vertices (-9, 4), (4, 4), (7, 0), and (-6, 0).
 
 
2 b.

triangle with vertices (-1, 9), (-1, -2), and (-2, 9).
 
 
Page 2

Answer Key

1 a. 

The area is 160 square units.

 
1 b. 

The area is 14 square units.

 
2 a. 

The area is 52 square units.

 
2 b. 

The area is 5.5 square units.

 


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