Area of polygons worksheet

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

1 a.

triangle with vertices (10, 8), (10, 4), and (3, 8).
 
 
 
 
1 b.

triangle with vertices (10, 5), (10, 3), and (3, 5).
 
 
 
 
2 a.

trapezoid with vertices (5, 8), (8, 6), (8, 4), and (5, 2).
 
 
 
 
2 b.

parallelogram with vertices (2, 9), (7, 6), (7, 1), and (2, 4).
 
 
 
 
Page 2

Answer Key

1 a. 

The area is 14 square units.

 
1 b. 

The area is 7 square units.

 
2 a. 

The area is 12 square units.

 
2 b. 

The area is 25 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