Area of polygons worksheet

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

1 a.

triangle with vertices (6, 9), (8, 4), and (2, 9).
 
 
 
 
1 b.

triangle with vertices (10, 7), (5, 1), and (10, 5).
 
 
 
 
2 a.

quadrilateral with vertices (0, 5), (9, 10), (6, 1), and (3, 0).
 
 
 
 
2 b.

triangle with vertices (9, 2), (4, 6), and (5, 1).
 
 
 
 
Page 2

Answer Key

1 a. 

The area is 10 square units.

 
1 b. 

The area is 5 square units.

 
2 a. 

The area is 42 square units.

 
2 b. 

The area is 10.5 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