Area of polygons worksheet

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

1 a.

parallelogram with vertices (-1, 5), (2, 6), (2, -3), and (-1, -4).
 
 
 
 
1 b.

triangle with vertices (8, -9), (8, 2), and (-4, -9).
 
 
 
 
2 a.

trapezoid with vertices (-9, 8), (6, 8), (6, -1), and (-9, -7).
 
 
 
 
2 b.

trapezoid with vertices (-5, 10), (4, 10), (4, -9), and (-3, -9).
 
 
 
 

Answer Key

1 a. 

The area is 27 square units.

 
1 b. 

The area is 66 square units.

 
2 a. 

The area is 180 square units.

 
2 b. 

The area is 152 square units.

 


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