Area of polygons worksheet

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

1 a.

trapezoid with vertices (-4, 7), (7, 10), (7, -10), and (-4, -2).
 
 
 
 
1 b.

parallelogram with vertices (-3, 1), (5, 1), (3, -2), and (-5, -2).
 
 
 
 
2 a.

trapezoid with vertices (-4, 10), (10, 1), (10, -2), and (-4, -3).
 
 
 
 
2 b.

parallelogram with vertices (-8, 4), (2, 4), (8, 0), and (-2, 0).
 
 
 
 
Page 2

Answer Key

1 a. 

The area is 159.5 square units.

 
1 b. 

The area is 24 square units.

 
2 a. 

The area is 112 square units.

 
2 b. 

The area is 40 square units.

 


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