Area of polygons worksheet

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

1 a.

triangle with vertices (-13, -13), (-13, 1), and (23, -13).
 
 
 
 
1 b.

parallelogram with vertices (-14, 90), (8, 98), (8, -30), and (-14, -38).
 
 
 
 
2 a.

triangle with vertices (-36, -14), (-36, 60), and (-99, -14).
 
 
 
 
2 b.

parallelogram with vertices (-62, 42), (17, 5), (17, -72), and (-62, -35).
 
 
 
 
Page 2

Answer Key

1 a. 

The area is 252 square units.

 
1 b. 

The area is 2816 square units.

 
2 a. 

The area is 2331 square units.

 
2 b. 

The area is 6083 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