Area of polygons worksheet

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

1 a.

trapezoid with vertices (-25, 15), (38, 15), (1, -37), and (-41, -37).
 
 
 
 
1 b.

trapezoid with vertices (-9, 41), (35, 41), (30, -11), and (-33, -11).
 
 
 
 
2 a.

triangle with vertices (-14, -12), (-14, -22), and (16, -12).
 
 
 
 
2 b.

trapezoid with vertices (-50, 9), (31, 9), (18, -41), and (-34, -41).
 
 
 
 
Page 2

Answer Key

1 a. 

The area is 2730 square units.

 
1 b. 

The area is 2782 square units.

 
2 a. 

The area is 150 square units.

 
2 b. 

The area is 3325 square units.

 


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