Area of polygons worksheet

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

1 a.

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

parallelogram with vertices (-2, 7), (4, 7), (7, -5), and (1, -5).
 
 
 
 
2 a.

triangle with vertices (6, 6), (6, 8), and (-5, 6).
 
 
 
 
2 b.

trapezoid with vertices (-2, 1), (6, 1), (8, -6), and (-7, -6).
 
 
 
 
Page 2

Answer Key

1 a. 

The area is 132 square units.

 
1 b. 

The area is 72 square units.

 
2 a. 

The area is 11 square units.

 
2 b. 

The area is 80.5 square units.

 


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