Area of polygons worksheet

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

1 a.

parallelogram with vertices (-2, 3), (4, 1), (4, -10), and (-2, -8).
 
 
 
 
1 b.

triangle with vertices (5, -9), (5, -5), and (3, -9).
 
 
 
 
2 a.

triangle with vertices (-2, 3), (-2, -4), and (-7, 3).
 
 
 
 
2 b.

triangle with vertices (-2, -4), (-2, 4), and (-4, -4).
 
 
 
 
Page 2

Answer Key

1 a. 

The area is 66 square units.

 
1 b. 

The area is 4 square units.

 
2 a. 

The area is 17.5 square units.

 
2 b. 

The area is 8 square units.

 


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