Area of polygons worksheet

Findtheareaoftheshapeswhentheirverticesaregiven.

1 a.

trapezoid with vertices (-20, 18), (18, 7), (18, -24), and (-20, -33).
 
 
1 b.

trapezoid with vertices (-26, 5), (8, 33), (8, -13), and (-26, -21).
 
 
2 a.

trapezoid with vertices (-40, 33), (18, 5), (18, -20), and (-40, -8).
 
 
2 b.

triangle with vertices (7, -4), (7, -46), and (28, -4).
 
 
Page 2

Answer Key

1 a. 

The area is 1558 square units.

 
1 b. 

The area is 1224 square units.

 
2 a. 

The area is 1914 square units.

 
2 b. 

The area is 441 square units.

 


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