Area of polygons worksheet

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

1 a.

trapezoid with vertices (-26, 38), (5, 39), (5, -85), and (-26, -42).
 
 
 
 
1 b.

parallelogram with vertices (-10, 77), (69, 77), (50, -82), and (-29, -82).
 
 
 
 
2 a.

trapezoid with vertices (-94, 83), (64, 83), (65, -55), and (-74, -55).
 
 
 
 
2 b.

trapezoid with vertices (-19, 16), (85, 59), (85, -95), and (-19, -71).
 
 
 
 
Page 2

Answer Key

1 a. 

The area is 3162 square units.

 
1 b. 

The area is 12561 square units.

 
2 a. 

The area is 20493 square units.

 
2 b. 

The area is 12532 square units.

 


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