Area of polygons worksheet

Findtheareaoftheshapeswhentheirverticesaregiven.

1 a.

quadrilateral with vertices (-4, 1), (4, 5), (6, -2), and (-8, -3).
 
 
1 b.

quadrilateral with vertices (-9, 6), (2, 3), (8, -3), and (-9, -8).
 
 
2 a.

quadrilateral with vertices (-7, 6), (3, 6), (4, -8), and (-10, -5).
 
 
2 b.

triangle with vertices (10, -3), (8, -1), and (7, -8).
 
 
Page 2

Answer Key

1 a. 

The area is 58 square units.

 
1 b. 

The area is 143 square units.

 
2 a. 

The area is 151.5 square units.

 
2 b. 

The area is 8 square units.

 


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