Area of polygons worksheet

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

1 a.

parallelogram with vertices (-9, 75), (47, 59), (47, -80), and (-9, -64).
 
 
 
 
1 b.

parallelogram with vertices (-84, 2), (76, 39), (76, 17), and (-84, -20).
 
 
 
 
2 a.

trapezoid with vertices (-48, 50), (9, 50), (41, -1), and (-6, -1).
 
 
 
 
2 b.

triangle with vertices (39, 19), (39, 85), and (83, 19).
 
 
 
 
Page 2

Answer Key

1 a. 

The area is 7784 square units.

 
1 b. 

The area is 3520 square units.

 
2 a. 

The area is 2652 square units.

 
2 b. 

The area is 1452 square units.

 


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