Area of polygons worksheet

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

1 a.

triangle with vertices (35, 77), (35, -93), and (61, 77).
 
 
 
 
1 b.

triangle with vertices (-22, -34), (-22, -42), and (77, -34).
 
 
 
 
2 a.

parallelogram with vertices (-76, 55), (77, 55), (73, -63), and (-80, -63).
 
 
 
 
2 b.

parallelogram with vertices (-75, 14), (66, 14), (45, -65), and (-96, -65).
 
 
 
 
Page 2

Answer Key

1 a. 

The area is 2210 square units.

 
1 b. 

The area is 396 square units.

 
2 a. 

The area is 18054 square units.

 
2 b. 

The area is 11139 square units.

 


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