Area of polygons worksheet

Findtheareaoftheshapeswhentheirverticesaregiven.

1 a.

triangle with vertices (3, 1), (3, 3), and (2, 1).
 
 
1 b.

triangle with vertices (8, -4), (8, 0), and (-10, -4).
 
 
2 a.

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

triangle with vertices (0, -10), (0, -2), and (-9, -10).
 
 
Page 2

Answer Key

1 a. 

The area is 1 square units.

 
1 b. 

The area is 36 square units.

 
2 a. 

The area is 68 square units.

 
2 b. 

The area is 36 square units.

 


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