Area of polygons worksheet

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

1 a.

triangle with vertices (6, 5), (6, 3), and (-2, 5).
 
 
1 b.

triangle with vertices (5, 0), (5, 1), and (-10, 0).
 
 
2 a.

triangle with vertices (-10, -5), (-10, -9), and (0, -5).
 
 
2 b.

triangle with vertices (-1, -4), (-1, 1), and (-3, -4).
 
 
Page 2

Answer Key

1 a. 

The area is 8 square units.

 
1 b. 

The area is 7.5 square units.

 
2 a. 

The area is 20 square units.

 
2 b. 

The area is 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