Area of polygons worksheet

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

1 a.

trapezoid with vertices (-31, 26), (17, 26), (47, -33), and (-55, -33).
 
 
 
 
1 b.

trapezoid with vertices (-3, 100), (69, 100), (95, -97), and (-83, -97).
 
 
 
 
2 a.

trapezoid with vertices (-94, 32), (11, 32), (53, -50), and (-6, -50).
 
 
 
 
2 b.

trapezoid with vertices (-89, 47), (28, 47), (83, -16), and (-38, -16).
 
 
 
 
Page 2

Answer Key

1 a. 

The area is 4425 square units.

 
1 b. 

The area is 24625 square units.

 
2 a. 

The area is 6724 square units.

 
2 b. 

The area is 7497 square units.

 


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