Area of polygons worksheet

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

1 a.

parallelogram with vertices (-10, 2), (2, 7), (2, -1), and (-10, -6).
 
 
 
 
1 b.

trapezoid with vertices (-7, 7), (4, 4), (4, -6), and (-7, -8).
 
 
 
 
2 a.

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

triangle with vertices (-7, -5), (-7, -3), and (4, -5).
 
 
 
 
Page 2

Answer Key

1 a. 

The area is 96 square units.

 
1 b. 

The area is 137.5 square units.

 
2 a. 

The area is 100 square units.

 
2 b. 

The area is 11 square units.

 


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