Area of polygons worksheet

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

1 a.

trapezoid with vertices (0, 5), (1, 3), (1, -4), and (0, -4).
 
 
 
 
1 b.

trapezoid with vertices (-4, 0), (1, 0), (6, -10), and (-5, -10).
 
 
 
 
2 a.

triangle with vertices (9, 3), (9, 2), and (-3, 3).
 
 
 
 
2 b.

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

Answer Key

1 a. 

The area is 8 square units.

 
1 b. 

The area is 80 square units.

 
2 a. 

The area is 6 square units.

 
2 b. 

The area is 323 square units.

 


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