Area of polygons worksheet

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

1 a.

parallelogram with vertices (-8, 0), (9, 10), (9, 4), and (-8, -6).
 
 
 
 
1 b.

trapezoid with vertices (-9, 7), (3, 3), (3, -8), and (-9, -6).
 
 
 
 
2 a.

parallelogram with vertices (-4, 4), (8, 4), (9, -1), and (-3, -1).
 
 
 
 
2 b.

triangle with vertices (-7, -9), (-7, -10), and (8, -9).
 
 
 
 
Page 2

Answer Key

1 a. 

The area is 102 square units.

 
1 b. 

The area is 144 square units.

 
2 a. 

The area is 60 square units.

 
2 b. 

The area is 7.5 square units.

 


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