Area of polygons worksheet

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

1 a.

parallelogram with vertices (-4, 42), (4, 43), (4, -27), and (-4, -28).
 
 
 
 
1 b.

triangle with vertices (-43, 6), (-43, -23), and (-38, 6).
 
 
 
 
2 a.

triangle with vertices (-34, -1), (-34, 18), and (-40, -1).
 
 
 
 
2 b.

triangle with vertices (-36, 26), (-36, -23), and (22, 26).
 
 
 
 
Page 2

Answer Key

1 a. 

The area is 560 square units.

 
1 b. 

The area is 72.5 square units.

 
2 a. 

The area is 57 square units.

 
2 b. 

The area is 1421 square units.

 


Copying permission: You are free to copy this worksheet to any number of students for their mathematics work. Do not distribute on websites, books, or any such material without permission. Copyright www.HomeschoolMath.net