Area of polygons worksheet

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

1 a.

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

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

pentagon with vertices (-4, 5), (-1, 10), (10, 4), (2, -10), and (-2, -6).
 
 
 
 
2 b.

quadrilateral with vertices (-3, 2), (2, 9), (6, -6), and (-8, -1).
 
 
 
 
Page 2

Answer Key

1 a. 

The area is 278 square units.

 
1 b. 

The area is 118.5 square units.

 
2 a. 

The area is 156.5 square units.

 
2 b. 

The area is 85 square units.

 


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