Area of polygons worksheet

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

1 a.

trapezoid with vertices (-33, 27), (30, 19), (30, -36), and (-33, -38).
 
 
 
 
1 b.

triangle with vertices (-32, 29), (-32, -28), and (5, 29).
 
 
 
 
2 a.

parallelogram with vertices (-45, 43), (23, 43), (41, -22), and (-27, -22).
 
 
 
 
2 b.

parallelogram with vertices (-28, 26), (17, 14), (17, -41), and (-28, -29).
 
 
 
 
Page 2

Answer Key

1 a. 

The area is 3780 square units.

 
1 b. 

The area is 1054.5 square units.

 
2 a. 

The area is 4420 square units.

 
2 b. 

The area is 2475 square units.

 


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