Area of polygons worksheet

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

1 a.

triangle with vertices (-33, -31), (-33, 12), and (25, -31).
 
 
 
 
1 b.

triangle with vertices (18, -48), (18, -36), and (-23, -48).
 
 
 
 
2 a.

parallelogram with vertices (-19, 41), (24, 44), (24, -32), and (-19, -35).
 
 
 
 
2 b.

parallelogram with vertices (-15, 15), (30, 15), (5, -9), and (-40, -9).
 
 
 
 
Page 2

Answer Key

1 a. 

The area is 1247 square units.

 
1 b. 

The area is 246 square units.

 
2 a. 

The area is 3268 square units.

 
2 b. 

The area is 1080 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