Area of polygons worksheet

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

1 a.

triangle with vertices (2, 2), (2, -1), and (1, 2).
 
 
1 b.

parallelogram with vertices (-3, 1), (1, 1), (1, -10), and (-3, -10).
 
 
2 a.

parallelogram with vertices (-7, 7), (3, 7), (6, -9), and (-4, -9).
 
 
2 b.

parallelogram with vertices (-6, 5), (3, 5), (0, -9), and (-9, -9).
 
 
Page 2

Answer Key

1 a. 

The area is 1.5 square units.

 
1 b. 

The area is 44 square units.

 
2 a. 

The area is 160 square units.

 
2 b. 

The area is 126 square units.

 


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