Area of polygons worksheet

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

1 a.

trapezoid with vertices (-85, 49), (67, 53), (67, -79), and (-85, -28).
 
 
 
 
1 b.

trapezoid with vertices (-81, 18), (63, 13), (63, -48), and (-81, -64).
 
 
 
 
2 a.

triangle with vertices (-36, -44), (-36, 20), and (16, -44).
 
 
 
 
2 b.

parallelogram with vertices (-79, 76), (50, 50), (50, -65), and (-79, -39).
 
 
 
 
Page 2

Answer Key

1 a. 

The area is 15884 square units.

 
1 b. 

The area is 10296 square units.

 
2 a. 

The area is 1664 square units.

 
2 b. 

The area is 14835 square units.

 


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