Area of polygons worksheet

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

1 a.

trapezoid with vertices (-8, 9), (6, 7), (6, 0), and (-8, -1).
 
 
 
 
1 b.

trapezoid with vertices (-7, 1), (1, 6), (1, -8), and (-7, -4).
 
 
 
 
2 a.

trapezoid with vertices (-5, 3), (6, 5), (6, -9), and (-5, -5).
 
 
 
 
2 b.

parallelogram with vertices (-10, 4), (7, 4), (9, -9), and (-8, -9).
 
 
 
 
Page 2

Answer Key

1 a. 

The area is 119 square units.

 
1 b. 

The area is 76 square units.

 
2 a. 

The area is 121 square units.

 
2 b. 

The area is 221 square units.

 


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