Area of polygons worksheet

Findtheareaoftheshapeswhentheirverticesaregiven.

1 a.

triangle with vertices (-32, 28), (-32, 9), and (-49, 28).
 
 
1 b.

parallelogram with vertices (-12, 1), (15, 2), (15, -13), and (-12, -14).
 
 
2 a.

triangle with vertices (49, 22), (49, -49), and (-38, 22).
 
 
2 b.

trapezoid with vertices (-40, 44), (28, 44), (4, -36), and (-11, -36).
 
 
Page 2

Answer Key

1 a. 

The area is 161.5 square units.

 
1 b. 

The area is 405 square units.

 
2 a. 

The area is 3088.5 square units.

 
2 b. 

The area is 3320 square units.

 


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