Area of polygons worksheet

Findtheareaoftheshapeswhentheirverticesaregiven.

1 a.

triangle with vertices (9, 7), (9, 6), and (-2, 7).
 
 
1 b.

triangle with vertices (4, 8), (4, 3), and (5, 8).
 
 
2 a.

triangle with vertices (-8, 6), (-8, 2), and (9, 6).
 
 
2 b.

triangle with vertices (5, -9), (5, -10), and (2, -9).
 
 
Page 2

Answer Key

1 a. 

The area is 5.5 square units.

 
1 b. 

The area is 2.5 square units.

 
2 a. 

The area is 34 square units.

 
2 b. 

The area is 1.5 square units.

 


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