Area of polygons worksheet

Find the area of the shapes when their vertices are given.

1 a.

quadrilateral with vertices (-7, 10), (9, 5), (3, -1), and (-6, -5).
 
 
1 b.

quadrilateral with vertices (-7, 1), (7, 6), (10, -6), and (-9, -2).
 
 
2 a.

quadrilateral with vertices (-3, 1), (3, 0), (8, -10), and (-3, -3).
 
 
2 b.

quadrilateral with vertices (-7, 0), (8, 7), (8, -2), and (-3, -2).
 
 
Page 2

Answer Key

1 a. 

The area is 132.5 square units.

 
1 b. 

The area is 124 square units.

 
2 a. 

The area is 49.5 square units.

 
2 b. 

The area is 78.5 square units.

 


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