Area of polygons worksheet

Find the area of the shapes when their vertices are given.

1 a.

trapezoid with vertices (-50, 17), (1, 17), (46, -28), and (-40, -28).
 
 
1 b.

parallelogram with vertices (-8, 4), (15, 38), (15, 19), and (-8, -15).
 
 
2 a.

parallelogram with vertices (-46, 9), (3, 9), (20, -35), and (-29, -35).
 
 
2 b.

triangle with vertices (30, -15), (30, 13), and (35, -15).
 
 
Page 2

Answer Key

1 a. 

The area is 3082.5 square units.

 
1 b. 

The area is 437 square units.

 
2 a. 

The area is 2156 square units.

 
2 b. 

The area is 70 square units.

 


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