Area of polygons worksheet

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

1 a.

parallelogram with vertices (-3, 8), (1, 8), (-1, -7), and (-5, -7).
 
 
 
 
1 b.

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

triangle with vertices (-2, -2), (-2, 2), and (-1, -2).
 
 
 
 
2 b.

parallelogram with vertices (-8, 6), (10, 2), (10, -6), and (-8, -2).
 
 
 
 
Page 2

Answer Key

1 a. 

The area is 60 square units.

 
1 b. 

The area is 21 square units.

 
2 a. 

The area is 2 square units.

 
2 b. 

The area is 144 square units.

 


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