Area of polygons worksheet

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

1 a.

trapezoid with vertices (-39, 9), (28, 9), (24, -9), and (-41, -9).
 
 
 
 
1 b.

trapezoid with vertices (-27, 46), (10, 31), (10, -22), and (-27, -21).
 
 
 
 
2 a.

triangle with vertices (-49, -22), (-49, -31), and (-44, -22).
 
 
 
 
2 b.

trapezoid with vertices (-29, 10), (39, 10), (47, -27), and (-47, -27).
 
 
 
 
Page 2

Answer Key

1 a. 

The area is 1188 square units.

 
1 b. 

The area is 2220 square units.

 
2 a. 

The area is 22.5 square units.

 
2 b. 

The area is 2997 square units.

 


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