Area of polygons worksheet

Findtheareaoftheshapeswhentheirverticesaregiven.

1 a.

triangle with vertices (10, 10), (10, 7), and (0, 10).
 
 
1 b.

triangle with vertices (2, 7), (2, -9), and (8, 7).
 
 
2 a.

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

triangle with vertices (-1, 6), (-1, -5), and (6, 6).
 
 
Page 2

Answer Key

1 a. 

The area is 15 square units.

 
1 b. 

The area is 48 square units.

 
2 a. 

The area is 18 square units.

 
2 b. 

The area is 38.5 square units.

 


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