Area of polygons worksheet

Findtheareaoftheshapeswhentheirverticesaregiven.

1 a.

triangle with vertices (-5, -4), (-5, 9), and (10, -4).
 
 
1 b.

triangle with vertices (3, 3), (3, 6), and (4, 3).
 
 
2 a.

triangle with vertices (-4, 5), (-4, 3), and (9, 5).
 
 
2 b.

triangle with vertices (4, -1), (4, -8), and (6, -1).
 
 
Page 2

Answer Key

1 a. 

The area is 97.5 square units.

 
1 b. 

The area is 1.5 square units.

 
2 a. 

The area is 13 square units.

 
2 b. 

The area is 7 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