Area of polygons worksheet

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

1 a.

parallelogram with vertices (-12, 23), (16, 23), (38, -39), and (10, -39).
 
 
 
 
1 b.

trapezoid with vertices (-49, 50), (24, 17), (24, -17), and (-49, -37).
 
 
 
 
2 a.

triangle with vertices (-18, 20), (-18, 13), and (37, 20).
 
 
 
 
2 b.

parallelogram with vertices (-21, 38), (26, 38), (25, -3), and (-22, -3).
 
 
 
 
Page 2

Answer Key

1 a. 

The area is 1736 square units.

 
1 b. 

The area is 4416.5 square units.

 
2 a. 

The area is 192.5 square units.

 
2 b. 

The area is 1927 square units.

 


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