Area of polygons worksheet

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

1 a.

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

parallelogram with vertices (-1, 3), (10, 8), (10, -4), and (-1, -9).
 
 
2 a.

trapezoid with vertices (-9, 9), (3, 3), (3, -3), and (-9, -6).
 
 
2 b.

trapezoid with vertices (-5, 10), (7, 10), (8, -6), and (-4, -6).
 
 
Page 2

Answer Key

1 a. 

The area is 82.5 square units.

 
1 b. 

The area is 132 square units.

 
2 a. 

The area is 126 square units.

 
2 b. 

The area is 192 square units.

 


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