Area of polygons worksheet

Findtheareaoftheshapeswhentheirverticesaregiven.

1 a.

triangle with vertices (2, 5), (2, -8), and (-7, 5).
 
 
1 b.

triangle with vertices (5, -6), (5, 0), and (-2, -6).
 
 
2 a.

triangle with vertices (-1, 8), (-1, 0), and (-7, 8).
 
 
2 b.

triangle with vertices (-7, 2), (-7, 7), and (8, 2).
 
 
Page 2

Answer Key

1 a. 

The area is 58.5 square units.

 
1 b. 

The area is 21 square units.

 
2 a. 

The area is 24 square units.

 
2 b. 

The area is 37.5 square units.

 


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