Area of polygons worksheet

Findtheareaoftheshapeswhentheirverticesaregiven.

1 a.

triangle with vertices (-4, 2), (-4, -8), and (-6, 2).
 
 
1 b.

triangle with vertices (-3, -10), (-3, 1), and (7, -10).
 
 
2 a.

triangle with vertices (10, 9), (10, 6), and (-10, 9).
 
 
2 b.

triangle with vertices (4, -3), (4, 6), and (9, -3).
 
 
Page 2

Answer Key

1 a. 

The area is 10 square units.

 
1 b. 

The area is 55 square units.

 
2 a. 

The area is 30 square units.

 
2 b. 

The area is 22.5 square units.

 


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