Area of polygons worksheet

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

1 a.

triangle with vertices (2, -4), (-2, -7), and (6, 7).
 
 
 
 
1 b.

quadrilateral with vertices (0, 4), (10, 7), (8, -3), and (-3, -8).
 
 
 
 
2 a.

triangle with vertices (7, 2), (4, -9), and (9, -10).
 
 
 
 
2 b.

quadrilateral with vertices (-6, 3), (2, 10), (3, -3), and (-7, -6).
 
 
 
 
Page 2

Answer Key

1 a. 

The area is 16 square units.

 
1 b. 

The area is 105.5 square units.

 
2 a. 

The area is 29 square units.

 
2 b. 

The area is 99 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