Area of polygons worksheet

Findtheareaoftheshapeswhentheirverticesaregiven.

1 a.

triangle with vertices (-4, 7), (-4, 8), and (-1, 7).
 
 
1 b.

triangle with vertices (3, 3), (3, -10), and (5, 3).
 
 
2 a.

triangle with vertices (-6, 9), (-6, 5), and (-9, 9).
 
 
2 b.

triangle with vertices (4, -5), (4, -7), and (-5, -5).
 
 
Page 2

Answer Key

1 a. 

The area is 1.5 square units.

 
1 b. 

The area is 13 square units.

 
2 a. 

The area is 6 square units.

 
2 b. 

The area is 9 square units.

 


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