Area of polygons worksheet

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

1 a.

quadrilateral with vertices (-7, 8), (3, 10), (2, -3), and (-8, -9).
 
 
 
 
1 b.

quadrilateral with vertices (-1, 1), (10, 4), (2, -3), and (-4, -1).
 
 
 
 
2 a.

quadrilateral with vertices (0, 10), (6, 2), (8, 0), and (-5, -9).
 
 
 
 
2 b.

quadrilateral with vertices (-1, 8), (8, 7), (1, -10), and (-8, -10).
 
 
 
 
Page 2

Answer Key

1 a. 

The area is 146 square units.

 
1 b. 

The area is 35.5 square units.

 
2 a. 

The area is 99 square units.

 
2 b. 

The area is 161 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 Maria Miller / HomeschoolMath.net free worksheets