Area of polygons worksheet

Findtheareaoftheshapeswhentheirverticesaregiven

1 a.

triangle with vertices (-5, -5), (-5, 6), and (8, -5).
 
 
1 b.

triangle with vertices (-8, -4), (-8, 8), and (7, -4).
 
 
2 a.

triangle with vertices (-4, 3), (-4, -4), and (7, 3).
 
 
2 b.

triangle with vertices (-2, -3), (-2, -5), and (6, -3).
 
 
Page 2

Answer Key

1 a. 

The area is 71.5 square units.

 
1 b. 

The area is 90 square units.

 
2 a. 

The area is 38.5 square units.

 
2 b. 

The area is 8 square units.

 


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