Area of polygons worksheet

Findtheareaoftheshapeswhentheirverticesaregiven.

1 a.

quadrilateral with vertices (-1, 3), (5, 5), (10, -5), and (-1, -2).
 
 
1 b.

triangle with vertices (10, 5), (-10, -2), and (2, 9).
 
 
2 a.

quadrilateral with vertices (-4, 0), (1, 3), (10, -6), and (-5, -7).
 
 
2 b.

quadrilateral with vertices (-1, 2), (4, 8), (2, -7), and (-1, -9).
 
 
Page 2

Answer Key

1 a. 

The area is 62.5 square units.

 
1 b. 

The area is 68 square units.

 
2 a. 

The area is 88 square units.

 
2 b. 

The area is 48 square units.

 


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